Union nut deals(Disclaimer)
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π 185 union nuts in price comparison
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πΆ Current offers and discounts
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π Last updated on 13.10.2026
13% discount
Mueller 521-707BG
This Item Is Muellar #521-707Hc 1-1/2" Black Union
$ 16.61
$ 19.09
To the offer
34% discount
Hard-to-Find Fastener 014973209582 Coupling Nuts, 6-32, Piece-8
Diameter: #6
$ 14.18
$ 21.42
To the offer
7% discount
Waterway Plastics 415-5001 Union Nut, 2-Inch, Black
Union Nut 2" Blk
$ 12.05
$ 13.00
To the offer
upmbzie 125 Bronze Union Flange 529912 3/4" NPT Connection Includes Nuts Gaskets and Adapters Compatible with 125 Union Pumps
upmbzie 125 Bronze Union Flange 529912 provides exceptional durability and corrosion resistance
$ 42.99
free delivery
To the offer
Magic Plastics Split Nut, 2-1/2", Pump Union
Magic Plastics
$ 14.57
free delivery
To the offer
Pfister 9315000 Union Nut
Brass constructed nut compatible with 2 or 3 handle shower valves
$ 9.29
To the offer
upmbzie 125 Bronze Union Flange 529911 3/4" Solder Connection Includes Nuts Gaskets and Adapters Compatible with 125 Union Pumps
upmbzie 125 Bronze Union Flange 529911 delivers exceptional durability and corrosion resistance
$ 42.99
free delivery
To the offer
Union nut, copper external thread, 3/4 '
Foset
$ 13.36
free delivery
To the offer
8% discount
Pfister 00131XA Multi-Handle Tub & Shower Rough-In Valve, 3-Hole Installation, 1/2-Inch Union Inlets, 1/2-Inch I.P. Outlets, Union Nuts Included, Unfinished
INSTALLATION - 3-hole rough-in shower valve replacement designed for multi-handle tub and shower systems, providing reliable water control with professional-grade construction for long-lasting performance.
$ 64.52
$ 70.00
To the offer
Timsec 2-Pack 1/4 and 3/8 Inch AC Copper Pipe Extension Connectors
PACKAGE INCLUDES - Each package contains one pack 1/4" and 3/8" Air Conditioning Pipe Coupling Adapters with HVAC flare nuts, providing you with everything you need to get started on your project. Our copper flare fittings kit ensures a perfect fit and a reliable connection for your copper piping needs.
$ 12.99
free delivery
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Custom 25301-004-070 2" Split Union Nut & Screws
Custom 25301-004-070 2" Split Union Nut & Screws
$ 10.22
free delivery
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Timsec 8/5 Inch AC Copper Pipe Extension Connector for Line Repair
[PACKAGE INCLUDES] - You will get 1 Pack solid brass pipe connectors, includes 1 piece of fitting union connector and 2 pieces of flare nuts.
$ 13.99
free delivery
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DXParts Genuine Locking Union Nut BR450 BR700 BR800 4282-708-3101,Replacement for STIHL OEM
DXParts
$ 31.99
free delivery
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24% discount
AUNMAS Gas Hose Argon CO2 Flow Meter Gas Regulator Hose, 2.0 Meters
γGas compatibilityγ Handles argon, CO2, nitrogen, compressed air reliably with 2.0m rubber hose length.
$ 19.28
$ 25.46
To the offer
CHARLOTTE PIPE 1 1/2 DWV P-TRAP WITH UNION&PLASTIC NUT DWV (DRAIN, WASTE AND VENT) (25 Unit Box)
White fittings used in sanitary drain, waste, and vent (DWV), sewer and storm drainage applications
$ 107.01
free delivery
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Timsec 3/8 Inch AC Copper Pipe Extension Connector for Line Repair
[PACKAGE INCLUDES] - You will get 1 Pack solid brass pipe connectors, includes 1 piece of fitting union connector and 2 pieces of flare nuts.
$ 8.99
free delivery
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12% discount
The Hillman Group 4374 5/16-24 Hex Coupling Nut Fine Thread,Pack of 5
For use with threaded rod
$ 19.48
$ 22.24
To the offer
26 PCS Fitting Assortment Kit 1/4" Tube Nut, Union, Adapter, Brake System Line Repair,16 Tube Nuts, 6 Adapters, 4 Unions, Shatterproof Tackle Box
Application: This kit features 8 essential SKUs of 1/4" brake line fittings, a must-have for automotive hydraulic brake system maintenance and repairs.
$ 25.99
free delivery
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PPR union nut 3/4'x3 / 4 ', 25x25mm
Foset
$ 14.43
free delivery
To the offer
2Pieces Copper Pipe Extension Joint Connectors for Air Conditioning Pipe Coupling Adapters with Flare Nuts and Connectors for Copper Tube Diameter 3/8 and 1/4-Inch
γQuick ConnectionγThe AC pipe jointers are designed to connect two copper pipes without welding,without a special welding machine. The connection can be tightened with a wrench, sturdy and durable
$ 13.99
free delivery
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Hillman Zinc-Plated Carbon Steel Coupling Nuts 1/4-20, USS Coarse Thread
Threaded fasteners for joining two male threads, most commonly threaded rod
$ 16.00
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Hillman 45136 1/2-13-Inch Stainless Steel Coupling Nut, 5-Pack
Coupling nuts are threaded fasteners for joining two male threads, most commonly threaded rod
$ 22.51
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Kegco 6X-HEXNUT-SS Stainless Steel Coupling Hex Nut
Stainless steel hex nuts
$ 10.72
To the offer
LTWFITTING Brass Flare Tube Fitting 3/8" Hose ID x 5/16" Female 45 Deg Nut Union (Pack of 5)
Type: Female 45 Deg flare nut union
$ 9.99
free delivery
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Hillman 2198 10-24-Inch Coupling Nut, Zinc, 20-Pack
For industrial applications
$ 13.78
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Timsec 2-Pack 3/4 Inch AC Copper Pipe Extension Joint Connectors
[100% BRASS ADAPTER] - The AC pipe joint connectors are all made by heavy duty brass, sturdy, durable, corrosion resistant and anti-rust.
$ 29.99
free delivery
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2 Pieces Air Conditioning Copper Pipe Extension Connectors Brass Flare Fitting Nuts 1/2" Butt Copper Tube Fitting with Flare Nut
γPackage Contentγ2 sets 100% high quality pure copper solid brass pipe connectors, includes 2 piece of fitting union connector and 4 pieces of flare nuts
$ 16.99
free delivery
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14% discount
Hard to Find Fastener Fine Thread Coupling Nuts, Secure Connection Fasteners for Home Improvement, DIY, Construction, 5/8-18, Pack of 3
Durable Alloy Steel Construction: Built for strength and reliability in demanding environments. Designed to securely fasten together two threaded hardware parts including rods and pipes.
$ 18.99
$ 22.21
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The Hillman Group 45132 1/4-20-Inch Stainless Steel Coupling Nut, 8-Pack
Coupling nuts are threaded fasteners for joining two male threads, most commonly threaded rod
$ 15.89
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Timsec 2Packs AC Copper Pipe Extension Joint Connectors, 5/8-Inch Air Conditioning Pipe Coupling Adapters with Flare Nuts and Connectors, Free Welding, For Butt Copper Tube Diameter 5/8" (15.58mm)
[100% BRASS ADAPTER] - The AC pipe joint connectors are all made by heavy duty brass, sturdy, durable, corrosion resistant and anti-rust.
$ 22.99
free delivery
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PPR union nut, 1/2'x1 / 2 ', 20x20mm
Foset
$ 10.15
free delivery
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LTWFITTING Brass Flare Tube Fitting 3/8" Hose ID x 3/8" Female 45 Deg Swivel Nut Union (Pack of 5)
Type: Female 45 Deg flare swivel nut union
$ 15.99
free delivery
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4LIFETIMELINES 3/8 in Crow's Foot Flare Nut Socket Set, 6-Pc SAE
6-PIECE SAE SET: Six adjustable crow's-foot flare nut sockets cover the common SAE line-nut sizes used across brake, fuel and transmission fittings
$ 32.99
free delivery
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PATIKIL 1/4" OD Brass Flare Union Connector, 3 Set Air Conditioning Copper Double Pipe Extension Joint Connectors Pipe Hose Fitting with Nut, 1.22 x 0.43inch
This Brass Flare Union Connector is widely used in pipe connection for air conditioning, hydraulic and pneumatic systems, HVAC, humidifier Also, the union fitting is suitable for fuel, gas system, refrigeration equipment, aluminum, steel pipe, copper tube, etc.
$ 9.99
free delivery
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Radiator Manual Regulating Valve With Angle Temperature Control, 1/2 Inch For Most Heating Systems, Union Nut Mount For Long Term Reliable Warmth Adjustment In Home Use(DN15)
Precise Temperature Control: Adjust your heating effortlessly with this angle temperature control valve, enabling accurate coolant flow settings for consistent indoor climate.
$ 13.29
free delivery
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39104500 Union Nut C-Clip
filter models 39104500
$ 23.66
free delivery
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Timsec 2Packs AC Copper Pipe Extension Joint Connectors, 1/4-Inch Air Conditioning Pipe Coupling Adapters with Flare Nuts and Connectors, Free Welding, For Butt Copper Tube Diameter 1/4" (6.35mm)
[100% BRASS ADAPTER] - The AC pipe joint connectors are all made by heavy duty brass, sturdy, durable, corrosion resistant and anti-rust.
$ 11.99
free delivery
To the offer
The Hillman Group 4375 3/8-24 Coupling Nut Fine Thread (5-Pack) , Zinc
Coupling nuts are threaded fasteners for joining two male threads, most commonly threaded rod
$ 22.02
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24% discount
Hard-to-Find Fastener 014973322168 Coarse Coupling Nuts, 3/8-16 to 1/2-13, Piece-6
Diameter 1: 3/8 inches
$ 13.62
$ 17.99
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PROPLUS 2489383 Ballcock Coupling Nut, Brass, 7/8" (10 Pack)
Proplus ballcock coupling nut, Brass, 7/8 in., pack of 10 - 2489383
$ 33.00
free delivery
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Yohii M5 Round Connector Nuts Stainless Steel Coupling Nut 15mm/0.59" Length - Pack of 12- (G7.23)
Package Content: 12pcs x Round Connector Nut
$ 8.99
free delivery
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Timsec 2-Pack 1/4 and 1/2 Inch AC Copper Pipe Extension Connectors
PACKAGE INCLUDES - Each package contains one pack 1/4" and 1/2" Air Conditioning Pipe Coupling Adapters with HVAC flare nuts, providing you with everything you need to get started on your project. Our copper flare fittings kit ensures a perfect fit and a reliable connection for your copper piping needs.
$ 15.99
free delivery
To the offer
Lesso 2 Inch ABS P-Trap Adapter, Black, 1 Pack Union
Essential P-Trap Adapter: 2 inch size with SPG (Spigot) x SJ (Sink Joint) connection links P-traps to sink drain pipes; includes plastic nut/washer for a secure seal (2 pack for multiple projects)
$ 15.90
free delivery
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21% discount
Midline Valve 482UT100 Heavy Duty PVC True Union Ball Valve Pink Handle 1'' FIP/Solvent Connections Grey Plastic, 1 in, Gray
True Union: Includes Both Threaded and Solvent Connections
$ 11.00
$ 13.99
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LESSO P Trap PVC 1.5 to 1-1/4 Inch
1.5 inch PVC P-Trap to 1-1/4 in Threaded Adapter - Leak & Odor Proof Crafted of High Quality ABS plastic Material which offers Strong toughness, Temperature tolerance, and the Highest possible Resistance to Rust and Corrosion,Bye-Bye "Portable Potty" Stigma! P-Trap's Invisible Shield Keeps Your RV Smelling Like Coffee & Starlight!
$ 15.99
free delivery
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6% discount
Hard to Find Fastener Fine Thread Coupling Nuts, Secure Connection Fasteners for Home Improvement, DIY, Construction, 1/4-28, Pack of 5
Diameter: 1/4"
$ 9.44
$ 9.99
To the offer
X AUTOHAUX 1 Set Brake Line Fittings Assortment for 3/16" Brake Line Tube with 6 Unions 12 Nuts
[Package Included] 6 x Unions, 12 x Nuts. Unions Size: 15.7x13.7mm / 0.62"x0.54"(L*D), Unions Inner Diameter: 8.6mm /0.34", Thread Inner Diameter: 5mm / 0.19", Thread Size : M9 Γ 1.0
$ 16.49
free delivery
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LESSO P Trap PVC 1.5 Inch, 1-/2" W/Plastic Nut (Slip x H)
PVC P-Trap : With Union 1-1/2" Slip Washers and Plastic Nut (Slip x H) suitable for marking 1 1/2 inch straight-through pipelines
$ 16.99
free delivery
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PATIKIL 5/8" OD Brass Flare Union Connector, 1 Set Air Conditioning Copper Double Pipe Extension Joint Connectors Pipe Hose Fitting with Nut, 1.64 x 0.87inch
This Brass Flare Union Connector is widely used in pipe connection for air conditioning, hydraulic and pneumatic systems, HVAC, humidifier Also, the union fitting is suitable for fuel, gas system, refrigeration equipment, aluminum, steel pipe, copper tube, etc.
$ 9.49
free delivery
To the offer
Timsec 2-Pack 3/8 Inch AC Copper Pipe Extension Joint Connectors
[100% BRASS ADAPTER] - The AC pipe joint connectors are all made by heavy duty brass, sturdy, durable, corrosion resistant and anti-rust.
$ 16.99
free delivery
To the offer
Stahlwille 41100808 Ratchet Wrench, FastRatch, Made of Hardened & Tempered Stainless Steel, Used to Tighten/Loosen Nuts & Bolts, Especially Suitable for Union Nuts, Size 8mm/ 5/16-Inch, L. 121.4 mm
HIGH-QUALITY. This ratchet wrench is made of hardened and tempered stainless steel to provide high torque and added leverage and it is designed to ensure durability and longevity.
$ 48.38
free delivery
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Hard-to-Find Fastener 014973322212 Coupling Nuts, 1/2-20, Piece-4
Diameter: 1/2"
$ 13.76
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PATIKIL 1/4" OD Brass Flare Union Connector, 2 Set Air Conditioning Copper Double Pipe Extension Joint Connectors Pipe Hose Fitting with Nut, 1.44 x 0.43inch
This Brass Flare Union Connector is widely used in pipe connection for air conditioning, hydraulic and pneumatic systems, HVAC, humidifier Also, the union fitting is suitable for fuel, gas system, refrigeration equipment, aluminum, steel pipe, copper tube, etc.
$ 9.59
free delivery
To the offer
Grundfos 529911 GU 125 Bronze Union Flange - 3/4" Solder
Grundfos GU 125 Bronze Union Flange
$ 61.94
free delivery
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Hard to Find Fastener Fine Thread Coupling Nuts, Secure Connection Fasteners for Home Improvement, DIY, Construction, 5/16-24, Pack of 5
Durable Alloy Steel Construction: Built for strength and reliability in demanding environments. Designed to securely fasten together two threaded hardware parts including rods and pipes.
$ 12.05
To the offer
SUPPLYGIANTβ’ (25 Pack) 1-1/2 Inch PVC DWV L.A. Pattern P-Trap w/Union Slip Washer & Plastic Nut H x Slip β White PVC Drain, Waste & Vent Fitting
Size Specific Fit β Designed for 1-1/2 inch DWV systems, ensuring compatibility with standard residential and commercial plumbing.
$ 13.72
To the offer
Generic Delta Faucet RP5861 Cartridges Bonnet Nuts, Coupling Nuts, 2-Pack - By PlumbUSA
Metal retaining nut in chrome finish.
$ 10.99
free delivery
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Hard to Find Fastener Fine Thread Coupling Nuts, Secure Connection Fasteners for Home Improvement, DIY, Construction, 3/8-24, Pack of 5
Durable Alloy Steel Construction: Built for strength and reliability in demanding environments. Designed to securely fasten together two threaded hardware parts including rods and pipes.
$ 14.99
To the offer
3/4 Brass Tee Pipe Fitting, NPT Male x Male x Female Swivel Union Adapter
3/4 NPT PORT LAYOUT: Three-port brass tee with two 3/4 NPT male tapered-thread ends and one 3/4 female swivel union port; NPT is not garden hose (GHT) thread, so verify your system's thread standard before ordering.
$ 9.99
free delivery
To the offer
5% discount
Knipex 81 03 250 Siphon- and Connector Pliers 9,84" chrome plated
For siphons, tube fittings and connectors
$ 45.01
$ 47.30
To the offer
Small Parts 41506 Carbon Steel Coupling Nut, Black Oxide Finish, 5/8"-11 Threads, Made in US (Pack of 5)
Package Dimensions: 9.906 cms (L) x 7.366 cms (W) x 2.54 cms (H)
$ 41.20
free delivery
To the offer
Hard-to-Find Fastener 014973322182 Coupling Nuts, 7/16-20, Piece-5
Diameter: 7/16"
$ 16.19
To the offer
Inert Gas Hose 1/4 Inch x 2.0m Rubber Brass Fittings
rubber hose, good toughness, high pressure anti-aging.
$ 13.27
free delivery
To the offer
Hillman Zinc-Plated Carbon Steel Coupling Nuts 5/8-11, USS Coarse Thread
Threaded fasteners for joining two male threads, most commonly threaded rod
$ 40.99
free delivery
To the offer
uxcell Pipe Fittings Union, 1/2 Inch Malleable Cast Iron Union Threaded for Vintage Retro Industrial Pipe, Furniture and DIY Decor Black, 10Pcs
Specification: Material: Iron; Female Thread: 1/2inch; Width: 43.18mm/1.7inch; Height: 40.64mm/1.6inch; Package Content: 10pcs x Pipe Fittings Union
$ 37.99
free delivery
To the offer
SOMATHERM FOR YOU, Wall connection with counter bend, external thread 15/21 (1/2 inch), union nut 15/21 (1/2 inch), eccentric 25 mm, ideal for compensating axle distances and for horizontal
Highest quality: The Somatherm For You 15/21 (1/2") counter-bent wall connector is made from robust and durable materials that ensure exceptional durability in your plumbing and tap installations. Its chrome-plated surface not only provides an aesthetic appearance, but also protects against corrosion, ensuring optimal performance over a long period of time
$ 27.05
To the offer
U-Turn - 1/2-13 Coupling Nut Zinc Plated (1-3/4" Length) (25 Pack)
High-Quality Construction: Made from low Low Carbon Steelfor durability and strength, ensuring reliable performance in various applications.
$ 25.12
free delivery
To the offer
uxcell Pipe Fittings Union, 3/4 Inch Malleable Cast Iron Union Threaded for Vintage Retro Industrial Pipe, Furniture and DIY Decor Black, 8Pcs
Specification: Material: Iron; Female Thread: 3/4inch; Width: 50.03mm/1.97inch; Height: 43.69mm/1.72inch; Package Content: 8pcs x Pipe Fittings Union
$ 35.49
free delivery
To the offer
9% discount
LDR Industries 311 U-12 Union, 1/2-Inch, Black
1/2-inch galvanized malleable union
$ 29.89
$ 32.99
To the offer
3/4" Steam Radiator Valve Air Vent Temperature Control FIP x Male Union Brass
Features: Easy Installation and operation; Durable thermal plastic Handle; nuts and tailpieces included
$ 17.99
free delivery
To the offer
Gas Hose, Rubber Inert Gas Hose for Argon CO2 Nitrogen Compressed Air Hose, with Brass Welding Union Nut 1/4 Inch, for Commercial, Industrial & Laboratory Application(2m)
High flexibility hose, can be bent randomly without deformation.
$ 16.77
free delivery
To the offer
uxcell 10mm to 14mm Shaft Plum Shaped Coupling Coupler 30mm Diameter 35mm Length
Shaft Usage: 10mm to 14mm / 0.39inch to 0.55 inch
$ 18.19
free delivery
To the offer
3/4" NPT, Industrial Solid Brass Threaded Female Equal Union Coupling Pipe Thread Fitting
3/4" Female NPT Equal Union Coupling Industrial Solid Brass Threaded Pipe Fitting
$ 12.95
free delivery
To the offer
2-Handle Tub & Shower Rough-In Valve, Made by Plumb USA, Compatible For Price Pfister 910-374, 910-385
Comes with union and nuts.
$ 75.99
free delivery
To the offer
Hex Rod Coupling Nut - 1/4-28 x 7/8" Long, Zinc Plated (4 Pack)
1/4-28 X 7/8" long, fine threads, 3/8" across the flats steel coupling nut with zinc finish
$ 13.83
free delivery
To the offer
Inert Gas Hose, Argon CO2 Nitrogen Compressed Air Hose Welding Union Nut Argon Hose for MIG and TIG Welders Plasma Cutters and Industrial Work(2m)
TOUGH AND DURABLE: Inert gas hose is made from high-quality rubber that has excellent toughness, making it resistant to high pressure and anti-aging. This hose is built to last and can withstand the toughest of environments.
$ 17.98
free delivery
To the offer
UPVONT Hex Coupling Nuts, Rod Coupling Nuts 1/4"-20 UNC, 1-3/4" Length (50 PCS), Ideal for Threaded Rods & Studs, 1.75-Inch Length with Zinc Plating (50)
ADHERING TO ANSI STANDARDS: Our hex coupling nuts feature UNC threads at 1/4-20" with a length of 1.75 inches, easily fastened with a 7/16-inch wrench. In the case of any quality issues, we offer free returns and exchanges.
$ 23.99
free delivery
To the offer
Wensilon(20 pcs) 1/2"-13 Coupling Nuts zinc, Extended Hexagon Plated Steel Rod Coupling Nuts
1.Thread Size: 1/2"-13 Extended Hexagon rod coupling nuts for quickly joining two pieces of 1/2" inch threaded rod
$ 13.99
free delivery
To the offer
(100) Hex Coupling Nuts 1/2-13 x 5/8 x 1-1/4 Threaded Rod Connector Zinc
Lexar Industrial
$ 54.99
free delivery
To the offer
(10 Pieces) 3/8-24 X 1-1/8" Steel Coupling Nuts Zinc
10 Pieces Total
$ 13.98
free delivery
To the offer
Moen Ground Joint Union and Nut
Moen
$ 24.36
free delivery
To the offer
uxcell 12mm to 14mm Shaft Plum Shaped Coupling Coupler 30mm Diameter 35mm Length
Shaft Usage: 12mm to 14mm / 0.47inch to 0.55 inch
$ 13.69
free delivery
To the offer
ChillWaves Brass Compression Tube Fitting, 5/16" OD x 5/16" OD Compression Union Connector(10-PACK)
SIZE - 5/16" Tube OD x 5/16" Tube OD, Compression Tube Fitting mainly consists of a fitting body with a 24 degree tapered hole, a ferrule with a sharp inner edge, and a nut for compression.
$ 16.99
free delivery
To the offer
Hard-to-Find Fastener 014973506186 Fine Coupling Nuts, 1/2-20, Piece-12
Diameter: 1/2 inch
$ 22.09
To the offer
2" Union, Galvanized Malleable 150, Matco-Norca
Joint Union
$ 44.26
free delivery
To the offer
Aexit M42 x Nails, Screws & Fasteners 1.5mm GB812 Carbon Steel Retaining Slotted Round Nuts Black Nut & Bolt Sets 2 Pcs
Thread Size: M42 / 1.7''; Product Name: Slotted Round Nuts
$ 10.89
free delivery
To the offer
PATIKIL 3/4" OD Brass Flare Union Connector, 2 Set Air Conditioning Copper Double Pipe Extension Joint Connectors Pipe Hose Fitting with Nut, 2.08 x 1.06inch
This Brass Flare Union Connector is widely used in pipe connection for air conditioning, hydraulic and pneumatic systems, HVAC, humidifier Also, the union fitting is suitable for fuel, gas system, refrigeration equipment, aluminum, steel pipe, copper tube, etc.
$ 20.29
free delivery
To the offer
Coupling Nut 18-8 Stainless Steel - 6/32 Thread x 5/16 Flats x 1/2 Long Qty-25
Coupling nuts are threaded fasteners used to join two male threads, most commonly threaded rod.
$ 49.58
free delivery
To the offer
Chenango Supply 3/8-16 Grade 8 Hex Head Nuts
GRADE 8 ALLOY STEEL CONSTRUCTION β Manufactured from quenched and tempered alloy steel to deliver high strength for demanding fastening applications where standard hex nuts are not sufficient.
$ 19.99
free delivery
To the offer
LTWFITTING Brass Flare Tube Fitting 5/16" Hose ID x 1/4" Female 45 Deg Nut Union (Pack of 5)
Type: Female 45 Deg flare nut union
$ 14.99
free delivery
To the offer
ChillWaves 304 Stainless Steel Compression Tube Fitting, 1/4" OD x 1/4" OD Compression Union Connector(5-PACK)
SIZE - 1/4" Tube OD x 1/4" Tube OD, Compression Tube Fitting mainly consists of a fitting body with a 24 degree tapered hole, a Double Ferrule Ring with a sharp inner edge, and a nut for compression.
$ 14.99
free delivery
To the offer
SMITH COOPER 42U 3010 PIPE UNION, CARBON STEEL, 1 IN, NPT PART #: 30000723 MFG #: 42U 3010
BEAUTIFUL
$ 20.00
free delivery
To the offer
U-Turn - 1/2-13 Coupling Nut Zinc Plated (1-3/4" Length) (5 Pack)
High-Quality Construction: Made from low Low Carbon Steelfor durability and strength, ensuring reliable performance in various applications.
$ 10.17
free delivery
To the offer
LTWFITTING Brass Flare Tube Fitting 1/4" Hose ID x 3/8" Female 45 Deg Swivel Nut Union (Pack of 5)
Type: Female 45 Deg flare swivel nut union
$ 15.18
free delivery
To the offer
(12) Hex Coupling Nuts 7/8-9 x 1-1/4 x 2-1/2 Threaded Rod Connector Zinc
Lexar Industrial
$ 46.99
free delivery
To the offer
Wensilon(20 pcs) 5/16"-18 Coupling Nuts zinc, Extended Hexagon Plated Steel Rod Coupling Nuts
1.Thread Size: 5/16"-18 Extended Hexagon rod coupling nuts for quickly joining two pieces of 5/16" inch threaded rod
$ 9.99
free delivery
To the offer
Danco DIELECT Union Washer 1"
DIELECT UNION WASHER 1"
$ 15.61
free delivery
To the offer
2 Pieces AC Copper Pipe Extension Joint Connectors 1/4" Brass Flare Fitting Nuts Butt Copper Tube Fitting with Flare Nut
γSPECIFICATIONγFit for butt copper tube diameter 1/4" (6mm to 7mm) ,to replace an older faulty refrigerator compressor,perfect for stretching copper on a mini split
$ 15.99
free delivery
To the offer
Chenango Supply 3/8-16 Grade 8 Nylon Insert Lock Nuts (Nylock)
GRADE 8 ALLOY STEEL CONSTRUCTION β Manufactured from quenched and tempered alloy steel to deliver high strength for demanding fastening applications where standard nuts are not sufficient.
$ 19.99
free delivery
To the offer
(250) Hex Coupling Nuts 1/4-20 x 3/8 x 7/8 Threaded Rod Connector Zinc
Lexar Industrial
$ 37.99
free delivery
To the offer
MroMax 10Pcs M8 Round Connector Nuts, 304 Stainless Steel Rod Coupling Nuts 30mm/1.18" Length Female Thread for Camera Pan, Lamp Bracket, Glass Folding Dining Table Silver
γDIMENSIONγ- Threaded Size: M8; Total Size: 30mm/1.18 " x 12mm/0.47 "( Height x Outer Dia)
$ 17.69
free delivery
To the offer
2pcs M18 x 2.5 x 54mm Long Rod Coupling Hex Nut Connector Zinc Plated
Material: Steel; Type: Hex Rod Coupling Nuts
$ 18.49
free delivery
To the offer
LESSO PVC Adjustable P Trap 1 1/2 Inch, for RV Drain Bathroom Kitchen Sink
PVC DWV: These 1-1/2 inch white fittings by LESSO are specifically designed for use in sanitary drain, waste, and vent (DWV) systems, as well as sewer and storm drainage applications, ensuring reliable performance in non-pressure environments
$ 16.99
free delivery
To the offer
Hex Coupling Nut - Coupling Nuts 7/16-14 x 1-3/4" Long Coupling Nut, Hex Rod Coupling Nut with Zinc Plate, Hex Coupling Nuts 7/16-14 x 1-3/4" Threaded Rod Connector (4)
7/16-14(coarse thread) x 1-3/4" long hex coupling nut with zinc plate, 5/8" across flats
$ 15.62
free delivery
To the offer
10% discount
Niooliuk M10 Round Connector Nuts, 304 Stainless Steel Coupling Nut 30mm/1.18 inch Length,Pack of 6
Material: Made Of 304 Stainless Steel Brand new and High quality., It Has Good Rust Resistance And Durability.
$ 8.99
$ 9.99
To the offer
Coupling Nut Hot Dipped Galvanized - 1/2"-13 (11/16" F x 1-3/4" L) - Qty-25
Coupling nuts are threaded fasteners used to join two male threads, most commonly threaded rod.
$ 36.71
free delivery
To the offer
uxcell 3/8" SAE 45 Degree Brass Pipe Fitting, 2 Pcs Flare Connector Male Thread Adapter with Brass Nut and Copper Tube for Air Conditioner HVAC Refrigeration
Specifications: Color: Brass Tone, Copper Tone; Material: Brass, Copper; Male Thread Size: 3/8" SAE; Tube Part Length: 70mm / 2.76inch; Copper tube ID: 9.52mm / 3/8 inch; Overall Length: 95.5mm / 3.76 inch; Packing List: 2 x Air Conditioner flare connector with brass nut.
$ 14.09
free delivery
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Hex Coupling Nut - Coupling Nuts 5/16-24 x 7/8" Long Fine Thread Hex Coupling Nut with Zinc Plate, Hex Rod Coupling Nut, Hex Coupling Nuts 5/16-24 x 7/8" Threaded Rod Connector (4)
5/16-24 Fine Thread x 7/8" long, 7/16" across the flats steel coupling nut with zinc finish
$ 13.83
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LDR Industries 311 U-114 Union, 1-1/4 Inch, Black
1-1/4-inch galvanized malleable union
$ 17.90
free delivery
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Penn-Union GPL 7 Bronze Ground Clamp Connector 1/2" U-Bolt Threaded Silicon Bronze
Universal parallel or 90Β° cable connection to rod or pipe
$ 18.50
free delivery
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Timsec 2Packs AC Copper Pipe Extension Joint Connectors, 1/2-Inch Air Conditioning Pipe Coupling Adapters with Flare Nuts and Connectors, Free Welding, For Butt Copper Tube Diameter 1/2" (12.7mm)
[100% BRASS ADAPTER] - The AC pipe joint connectors are all made by heavy duty brass, sturdy, durable, corrosion resistant and anti-rust.
$ 19.99
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MroMax 5Pcs M8 Round Connector Nuts, 304 Stainless Steel Rod Coupling Nuts 15mm/0.59" Length Female Thread for Camera Pan, Lamp Bracket, Glass Folding Dining Table Silver
γDIMENSIONγ- Threaded Size: M8; Total Size: 15mm/0.59 " x 12mm/0.47 "( Height x Outer Dia)
$ 14.39
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5% discount
PATIKIL 3/8" OD Brass Flare Union Connector, 2 Set Air Conditioning Copper Double Pipe Extension Joint Connectors Pipe Hose Fitting with Nut, 1.52 x 0.63inch
This Brass Flare Union Connector is widely used in pipe connection for air conditioning, hydraulic and pneumatic systems, HVAC, humidifier Also, the union fitting is suitable for fuel, gas system, refrigeration equipment, aluminum, steel pipe, copper tube, etc.
$ 12.29
$ 12.99
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Inert Gas Hose Argon Hose Nitrogen Hose Compressed Air Hose Argon Pipe Inert Gas Hose Argon Co2 Nitrogen Compressed Air Hose Welding Union Nut 1 4 Inch2.0m (2m/6.6ft)
rubber hose, toughness, high pressure , anti-aging.
$ 13.79
free delivery
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Coupling Nut Zinc Plated - 1/4"-20 (7/16" F x 1-3/4" L) - Qty-25
Coupling nuts are threaded fasteners used to join two male threads, most commonly threaded rod.
$ 35.23
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MroMax 10Pcs M6 Round Connector Nuts, 304 Stainless Steel Rod Coupling Nuts 10mm/0.39" Length Female Thread for Camera Pan, Lamp Bracket, Glass Folding Dining Table Silver
γDIMENSIONγ- Threaded Size: M6; Total Size: 10mm/0.39 " x 10mm/0.39 "( Height x Outer Dia)
$ 14.29
free delivery
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Sloan Valve Company F20AT Sloan F-20-A Spud Coupling Nut, 1-1/2" - 64-3020
This product is used in wide range of applications
$ 28.77
free delivery
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T Tulead Copper Pipe Extension Joint Connectors 8PCS for Tube Dia 1/4",3/8"
T Tulead
$ 24.99
free delivery
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Aexit 4 Pcs Nails, Screws & Fasteners M45 x 1.5mm Carbon Steel Slotted Round Nuts for Nut & Bolt Sets Hook Spanners
Thread Size: M45 / 1.8''; Product Name: Slotted Round Nuts
$ 19.10
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MroMax 5Pcs M14 Round Connector Nuts, 304 Stainless Steel Rod Coupling Nuts 30mm/1.18" Length Female Thread for Camera Pan, Lamp Bracket, Glass Folding Dining Table Silver
γDIMENSIONγ- Threaded Size: M14; Total Size: 30mm/1.18 " x 20mm/0.79 "( Height x Outer Dia);Pitch:2mm/ 0.08"
$ 12.99
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Sevenjungle 3/4 Inch PVC Union Coupling, Fits 1.05" OD SCH 40 PVC Pipe
γ3/4 Inch PVC Union Coupling, 20 PackγPackage includes 20 pieces 3/4 inch PVC union coupling fittings, designed for compatible Schedule 40 PVC pipe connections. This 3/4 pvc union fits standard 3/4" PVC pipe with 1.05" actual O.D. and works as a removable pipe connector for pool plumbing, irrigation lines, sprinkler systems, and outdoor PVC pipe repair.
$ 19.99
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Waterway Plastics 806105084903 Thread Union Nut Mo-Flo 2" Female Buttress
Union nut, mo-flo, 2" female buttress thread
$ 16.84
free delivery
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PATIKIL 1/4" OD Brass Flare Union Connector, 2 Set Air Conditioning Copper Double Pipe Extension Joint Connectors Pipe Hose Fitting with Nut, 1.22 x 0.43inch
This Brass Flare Union Connector is widely used in pipe connection for air conditioning, hydraulic and pneumatic systems, HVAC, humidifier Also, the union fitting is suitable for fuel, gas system, refrigeration equipment, aluminum, steel pipe, copper tube, etc.
$ 8.99
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PATIKIL Pipe Extension Joint Connector Set, 2Pcs Free Welding AC Copper Pipe Coupling Adapter Fittings with Flare Nuts for Copper Pipe Diameter 3/8" and 5/8" Refrigeration HVAC
PATIKIL
$ 21.29
free delivery
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5pcs M14 x 2 x 44mm Long Rod Coupling Hex Nut Connector Zinc Plated
Material: Steel; Type: Hex Rod Coupling Nuts
$ 17.99
free delivery
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24 Pk NCUP005C000STLZN 5/16-18 X 1-3/4" Long Hex Coupling Nut W/Zinc Plate
24 Pack 5/16-18 X 1-3/4" Long Hex Coupling Nut with Zinc Plate NCUP005C000STLZN
$ 20.35
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PATIKIL Pipe Extension Joint Connector Set, 2pcs Free Welding AC Copper Pipe Coupling Adapter with Flare Nuts for Copper Pipe Diameter 3/8" and 3/4" Refrigeration HVAC
Specification: Material: Brass; Color: Brass Tone; Fit for Copper Pipe Diameter: 3/8"(9.52mm or 10mm), 3/4"(19.05mm or 19mm); Length: 45mm/1.77", 58mm/2.28"; Hex Width: 22mm/0.87", 32mm/1.26"; Package List: 2pcs x Pipe Extension Joint Connector, 4pcs x Flare Nuts
$ 20.59
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A.I.FORCE Premium Brass Flare Nut Set, 3/4", 5 Pack
A.I.FORCE
$ 13.99
free delivery
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PATIKIL Pipe Extension Joint Connector Set, 2Pcs Free Welding AC Copper Pipe Coupling Adapter Fittings with Flare Nuts for Copper Pipe Diameter 3/8" and 3/4" Refrigeration HVAC
PATIKIL
$ 20.06
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Ibergrif Universal Siphon for Sink, Chrome Stainless Steel
[U-Shaped and Leakproof Design] - The curved part of the U-shaped siphon can hold water, avoiding insects and unpleasant smells. Using high quality silicone gaskets has high sealing properties
$ 30.58
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LTWFITTING Brass 3/8" OD x 1/4" OD Flare Forged Reducing Swivel Nut Union Tube Fitting(Pack of 5)
Type: Flare forged SWIVEL Nut Union
$ 16.98
free delivery
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1/4-20 X 7/8 Hex Rod Coupling Nuts Steel Zinc 100 Pack
HlpiAMok
$ 14.25
free delivery
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PATIKIL Pipe Extension Joint Connector Set, 2Pcs Free Welding AC Copper Pipe Coupling Adapter Fittings with Flare Nuts for Copper Pipe Diameter 1/4" and 5/8" Refrigeration HVAC
PATIKIL
$ 18.99
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PATIKIL Pipe Extension Joint Connector Set, 2pcs Free Welding AC Copper Pipe Coupling Adapter with Flare Nuts for Copper Pipe Diameter 1/4" and 5/8" Refrigeration HVAC
Specification: Material: Brass; Color: Brass Tone; Fit for Copper Pipe Diameter: 1/4"(6.35mm or 6mm), 5/8"(15.88mm or 16mm); Length: 38mm/1.5", 52mm/2.05"; Hex Width: 17mm/0.67", 27mm/1.06", 27mm/1.06"; Package List: 2pcs x Pipe Extension Joint Connector, 4pcs x Flare Nuts
$ 16.29
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PATIKIL 5/8" OD Brass Flare Union Connector, 2 Set Air Conditioning Copper Double Pipe Extension Joint Connectors Pipe Hose Fitting with Nut, 1.64 x 0.87inch
This Brass Flare Union Connector is widely used in pipe connection for air conditioning, hydraulic and pneumatic systems, HVAC, humidifier Also, the union fitting is suitable for fuel, gas system, refrigeration equipment, aluminum, steel pipe, copper tube, etc.
$ 16.49
free delivery
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Hard-to-Find Fastener 014973209612 Coupling Nuts, 10-32, Piece-8
Diameter: #10
$ 28.67
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10pcs M5 x 0.8 x 15mm Stainless steel Long Coupling Hex Nut Connector
Material: 304 Stainless steel
$ 14.99
free delivery
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1/2-Inch Drive Deluex Metric Crowfoot Flare Nut Wrench Tool BY JTC 1930(26MM)
Made from Chrome-Molybdenum steel with a gap for use on union nuts fitted in hydraulic,oil,diesel,injection and compressed air systems.
$ 19.50
free delivery
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(1) M10-1.25 Hex Coupling Nut, Steel Zinc DIN 6334
Clipsandfasteners
$ 10.99
free delivery
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Hard-to-Find Fastener 014973403379 Coarse Rod Coupling Nuts, 7/16-14, Piece-16
Diameter: 7/16"
$ 22.99
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Hillman Zinc-Plated Carbon Steel Coupling Nuts 3/4-10, USS Coarse Thread
Threaded fasteners for joining two male threads, most commonly threaded rod
$ 32.15
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Hard-to-Find Fastener 014973403454 Coarse Rod Coupling Nuts, 1-8, Piece-3
Diameter: 1 inch
$ 19.99
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1/2-Inch Drive Metric Crowfoot Flare Nut Wrench 24mm JTC 1928
Durable Construction Material: Made from Chrome-Molybdenum steel with a gap for use on union nuts fitted in hydraulic, oil, diesel, injection and compressed air systems
$ 18.50
free delivery
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Hillman Zinc-Plated Carbon Steel Coupling Nuts 1/2-13, USS Coarse Thread
Threaded fasteners for joining two male threads, most commonly threaded rod
$ 31.99
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Hard-to-Find Fastener 014973322144 Coarse Coupling Nuts, 3/8-16, Piece-8
Diameter: 3/8"
$ 18.99
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Hard-to-Find Fastener 014973403430 Coarse Rod Coupling Nuts, 3/4-10, Piece-6
Diameter 1: 3/4-Inch
$ 21.30
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HHIP 3900-1193 Coupling Nut, 7/8-9" x 2-1/4"
Thread 7/8"-9
$ 12.99
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Hard-to-Find Fastener 014973322229 Coarse Coupling Nuts, 5/8-11, Piece-5
Diameter: 5/8"
$ 18.23
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1/2-Inch Drive Metric Crowfoot Flare Nut Wrench 22mm JTC 1926
Made from Chrome-Molybdenum steel with a gap for use on union nuts fitted in hydraulic,oil,diesel,injection and compressed air systems.
$ 17.50
free delivery
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Hillman Zinc-Plated Carbon Steel Coupling Nuts #10-24, USS Coarse Thread
Threaded fasteners for joining two male threads, most commonly threaded rod
$ 20.80
To the offer
Hard-to-Find Fastener 014973322267 Coarse Coupling Nuts, 3/4-10, Piece-3
Diameter: 3/4"
$ 17.99
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Small Parts Steel Heavy Hex Nut, Zinc Plated Finish, Grade 2, ASME B18.2.2, 1-1/2"-6 Thread Size, 2-3/8" Width Across Flats, 1-15/32" Thick (Pack of 1) (FSC112HHNZ)
Heavy hex nut is taller and wider than standard hex nut for a stronger hold and better security
$ 11.04
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Aexit M20 Carbon Quality Parts Steel Grade 8 Hexagon Hex Nut Black 4pcs Model:47as204qo574
Package Content: 4pcs x Hex Nut; Main Color: Black
$ 13.33
free delivery
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Hard-to-Find Fastener 014973403393 Coarse Rod Coupling Nuts, 1/2-13, Piece-12
Diameter 1: 1/2-Inch
$ 18.88
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HongBoW Hardware 5 Pcs Brass Compression Tube Fitting Reducing Union 5/16" OD x 1/4" OD
Brass for corrosion resistance, ductility at high temperatures, and low magnetic permeability
$ 10.99
free delivery
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Hard to Find Fastener Fine Thread Coupling Nuts, Secure Connection Fasteners for Home Improvement, DIY, Construction, 3/4-16, Pack of 2
Durable Alloy Steel Construction: Built for strength and reliability in demanding environments. Designed to securely fasten together two threaded hardware parts including rods and pipes.
$ 16.81
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STEELWORKS BOLTMASTER 11846 Steel Coupling Nut, 7/16-14"
This product is manufactured in china
$ 10.55
free delivery
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Hard to Find Fastener Fine Thread Coupling Nuts, Secure Connection Fasteners for Home Improvement, DIY, Construction, 10-32, Pack of 5
Durable Alloy Steel Construction: Built for strength and reliability in demanding environments. Designed to securely fasten together two threaded hardware parts including rods and pipes.
$ 9.99
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24 Pack 10-24 X 3/4" Long Hex Coupling Nut with Zinc Plate NCUP#10C000STLZN
24 Pack 10-24 X 3/4" Long Hex Coupling Nut with Zinc Plate NCUP#10C000STLZN
$ 11.50
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Hard-to-Find Fastener 014973403331 Coarse Rod Coupling Nuts, 5/16-18, Piece-20
Diameter 1: 5/16-Inch
$ 16.28
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Crouse-Hinds Snaptight 270F Blank Cover, for Use with 3/4 in Form 7 Cast Iron Conduit Bodies, Feraloy Iron Alloy
Features sheet aluminum construction
$ 12.43
free delivery
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Sellerocity Air Compressor Union Fitting W/Ferrule & Nut Compatible with Campbell Hausfeld ST018300AV
6 month no hassle warranty
$ 11.77
free delivery
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Garosa Inert Gas Hose Rubber Brass Gas Hose Nut 1/4 Inch High Flexibility Compressed Air Hose Welding Union for Air, Compressed Air, Argon, Nitrogen,CO2(2M)
γHigh Pressure Resistantγ High quality rubber hose, good toughness, high pressure resistant, anti-aging.High flexibility hose, can be bent randomly without deformation.Winter to -30Β°.
$ 15.19
free delivery
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AMZ Clips And Fasteners (1) M12-1.25 Hex Coupling Nut, Steel Zinc. DIN 6334
AMZ Clips And Fasteners
$ 10.99
free delivery
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Steelworks Corporation Steelworks YAZ1014 Boltmaster Coupling Nut 5/8"-11 X 2-1/8" Zinc Coarse Steel Bulk, No Size, No Color
This product is manufactured in china
$ 11.90
free delivery
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TOPPROS M4 Round Connector Nuts, Pack of 20, 304 Stainless Steel
Material: Made Of 304 Stainless Steel Brand new and High quality., It Has Good Rust Resistance And Durability.
$ 8.99
free delivery
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uxcell a16041400ux0830 Round Rod Coupling Nut M10 Female Thread Rod bar Stud Metal Round Coupling Connector Nuts 10 Pcs
Outside Diameter: 12mm/0.47"; Thread Size: M10/0.4"
$ 9.99
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10 Pcs 1/2-20 Inches Trailer Lug NutsοΌ Anti-Theft Tire Hole Screws for Car, Wheel Stud Bolts for Trailers - Car Tire Nut Cap
Convex design wheel lug nut is one-piece structural design, superior to the original two-piece, one-piece nuts are more beautiful in appearance and safer to drive.
$ 9.97
free delivery
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XYWHPGV M6 Carbon Steel Slab Base T-Shaped 2 Projection Weld Nuts Pack of 25(30f82 a849c bb848 fbb31 d51ff 872e7
Thread Size: M6 x 1mm.
$ 11.60
free delivery
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Aexit M48 x Nails, Screws & Fasteners 2mm GB812 Metric Four-Slot Slotted Round Nuts Black Nut & Bolt Sets 2 Pcs
Thread Size: M48 / 1.9''; Product Name: Slotted Round Nuts
$ 11.29
free delivery
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Murphy by Enovation Controls Adapter Nut, 3/8 A Bulb (10050069)
The inner threads of this 3/8 A Bulb Adapter Nut measure 5/8-18 UNF, while the outer threads measure 3/8-18 NPT allowing you to make a non-standard connection to match your application.
$ 13.55
free delivery
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Angry Pony 3/8" NPT Female Coupler Pipe Fitting, Stainless Steel, 3000PSI
angry pony
$ 15.99
free delivery
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The Hillman Group 43816 M20-1.50 Metric Hex Jam Nut, 5-Pack
Jam nuts are often used when a nut needs to be locked into place without clamping against another object
$ 10.94
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Hillman 18-8 Stainless Steel Coupling Nuts 5/8-11 Coarse Thread, 2 Pack
Coupling Nuts Are Threaded Fasteners For Joining Two Male Threads, Most Commonly Threaded Rod
$ 19.61
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The Hillman Group 45134 3/8"-16 Stainless Steel Coupling Nut, 6-Pack
Coupling nuts are threaded fasteners for joining two male threads, most commonly threaded rod
$ 18.13
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The Hillman Group 45135 7/16-14-Inch Stainless Steel Coupling Nut, 5-Pack
Coupling nuts are threaded fasteners for joining two male threads, most commonly threaded rod
$ 23.92
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7% discount
Hard-to-Find Fastener 014973226411 Extruded U Nuts, 1/4-20 Long, Piece-10
Diameter: 1/4"
$ 14.95
$ 16.12
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Hillman Joint Connector Nut Brass Hex Drive Furniture Assembly 1/4"-20 Coarse Thread Gold β 12 Pack
Assortment of parts ideal for furniture assembly or repair
$ 16.68
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Hard-to-Find Fastener 014973209643 Coupling Nuts, 3/8-16, Piece-4
Diameter: 3/8 inch
$ 16.07
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The Hillman Group 44770 M12-1.75 Metric Hex Coupling Nut, 8-Pack, Zinc
For use with threaded rod
$ 17.02
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The Hillman Group 2200 5/16-18-Inch Coupling Nut, Zinc, 10-Pack
For Industrial Applications
$ 13.47
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The Hillman Group 44772 M20-2.50 Metric Hex Coupling Nut, 2-Pack
Coupling nuts are threaded fasteners for joining two male threads, most commonly threaded rod
$ 14.29
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The Hillman Group 44771 M16-2.00 Metric Hex Coupling Nut, 3-Pack
Coupling Nuts Are Threaded Fasteners For Joining Two Male Threads, Most Commonly Threaded Rod
$ 13.56
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Hillman 2 Pack Hex Coupling Nuts (3/4"-16 Fine Thread) | Zinc Plated Steel Coupler Nuts | Threaded Rod Connector Nuts for Mechanical Industrial Fastening Applications
Coupling nuts are threaded fasteners for joining two male threads, most commonly threaded rod
$ 14.81
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The Hillman Group 58452 1/4-20-Inch Regular Extruded U-Nut, 20-Pack
Serves the functions of both a lock washer and a nut
$ 12.01
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We have found a total of 185 union nuts deals for you at amazon, Ferguson Home, JB Tools Affiliate Program, and other shops. The most popular brands are: Hillman, Hard-to-Find Fastener, and PATIKIL. Today's offer is Mueller 521-707BG with 13% discount. The lowest price we found in our deals is $ 8.99 . The highest price in our price comparison is $ 107.01 . Currently, we have selected 8 reliable shops for you to buy union nuts affordably.