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$2.99
1-1/4" Galvanized Straight Coupling Female NPT Thread Fitting
PRM Filtration
$2.99
1-1/4" Galvanized Straight Coupling Female NPT Thread Fitting
PRM Filtration
$11.59
Megairon 2" X 2" NPT Male Threaded Hex Nipple,Stainless Steel 304 Quick Coupler Pipe Fitting
Amazon.com
166
$11.59
Megairon 2" X 2" NPT Male Threaded Hex Nipple,Stainless Steel 304 Quick Coupler Pipe Fitting
Amazon.com
$1.77
0.5" Nom. 150 Stainless 304 Threaded Half Coupling Std Pattern
OnlineMetals.com
$1.77
0.5" Nom. 150 Stainless 304 Threaded Half Coupling Std Pattern
OnlineMetals.com
$37.28
3" Inch Coupling Threaded NPT 304 Stainless Steel FNPT X FNPT Full Coupling Class 150
Amazon.com
8
$37.28
3" Inch Coupling Threaded NPT 304 Stainless Steel FNPT X FNPT Full Coupling Class 150
Amazon.com
$39.00
Rigid Threaded Coupling 3/4 Inch 20 Pack
Amazon.com
Free shipping
$39.00
Rigid Threaded Coupling 3/4 Inch 20 Pack
Amazon.com
$6.99
2-1/2" Galvanized Straight Coupling Female NPT Thread Fitting
PRM Filtration
$6.99
2-1/2" Galvanized Straight Coupling Female NPT Thread Fitting
PRM Filtration
$6.99
BMI 2 Inch NPT Galvanized Straight Coupling | PRM, 2" COUPLING
PRM Filtration
$6.99
BMI 2 Inch NPT Galvanized Straight Coupling | PRM, 2" COUPLING
PRM Filtration
$18.96
2" Nom. 150 Stainless 316 Threaded Full Coupling Std Pattern
OnlineMetals.com
$18.96
2" Nom. 150 Stainless 316 Threaded Full Coupling Std Pattern
OnlineMetals.com
$3.77
3/8" Cast Threaded Full Coupling 150 304 Stainless SN: S3014CP003
SSF
$3.77
3/8" Cast Threaded Full Coupling 150 304 Stainless SN: S3014CP003
SSF
$707.80
23285 Coupling
Industrial Air Power
$707.80
23285 Coupling
Industrial Air Power
$34.24
Coupling Nut: Plain, 18-8, Stainless Steel, 3/8"-24 Thread, 1/2 in Hex Wd, 1 1/8 in Lg, Plain, 5 PK [PK/5] Model: 250421BG
Grainger
$34.24
Coupling Nut: Plain, 18-8, Stainless Steel, 3/8"-24 Thread, 1/2 in Hex Wd, 1 1/8 in Lg, Plain, 5 PK [PK/5] Model: 250421BG
Grainger
$71.67
Orbit RTC-200 2" Steel Rigid Coupling Compression Type BY BUYRITE ELECTRIC
BuyRite Electric
$71.67
Orbit RTC-200 2" Steel Rigid Coupling Compression Type BY BUYRITE ELECTRIC
BuyRite Electric
$20.15
$201.33
Coupling | Threaded Fitting | SS304 | Import, 0.125 in / 3000
Trupply LLC
89% off
$20.15
$201.33
Coupling | Threaded Fitting | SS304 | Import, 0.125 in / 3000
Trupply LLC
$0.42
Coupling: 1/2 in X 1/2 in Fitting Pipe Size, Schedule 40, Female NPT X Female NPT, White, Coupling Model: 430005
Grainger
$0.42
Coupling: 1/2 in X 1/2 in Fitting Pipe Size, Schedule 40, Female NPT X Female NPT, White, Coupling Model: 430005
Grainger
$87.46
4" Cast Threaded Half Coupling 150 304 Stainless SN: S3014HC040
SSF
$87.46
4" Cast Threaded Half Coupling 150 304 Stainless SN: S3014HC040
SSF
$8.57
Coupling | Threaded Fitting | A105 | Import, 2 in / 3000
Trupply LLC
$8.57
Coupling | Threaded Fitting | A105 | Import, 2 in / 3000
Trupply LLC
$74.37
Ruland OCT12-4-SS, 1/4" Oldham Coupling Hub, 303 Stainless Steel, Clamp Style, 0.750" OD, 0.380" Length
Ruland Manufacturing
$74.37
Ruland OCT12-4-SS, 1/4" Oldham Coupling Hub, 303 Stainless Steel, Clamp Style, 0.750" OD, 0.380" Length
Ruland Manufacturing
$25.64
JME 2 in. Aluminum Straight Pipe Coupling - Threaded - 44705K371
John M. Ellsworth Co., Inc.
$25.64
JME 2 in. Aluminum Straight Pipe Coupling - Threaded - 44705K371
John M. Ellsworth Co., Inc.
$24.58
Coupling: Forged Steel, 1 1/2 in X 1 1/2 in Fitting Pipe Size, Female NPT X Female NPT, Class 3000 Model: 1MNA7
Grainger
$24.58
Coupling: Forged Steel, 1 1/2 in X 1 1/2 in Fitting Pipe Size, Female NPT X Female NPT, Class 3000 Model: 1MNA7
Grainger
$3.47
PVC Threaded Coupler - 1 Inch FPT (430-010)
ValveKing
$3.47
PVC Threaded Coupler - 1 Inch FPT (430-010)
ValveKing
$17.00
Clamp Ring Bolt And Brass Coupling Nut, Screenerking Fully Threaded 8" Length & 1.75" Brass Coupling Nut
Screener King
$17.00
Clamp Ring Bolt And Brass Coupling Nut, Screenerking Fully Threaded 8" Length & 1.75" Brass Coupling Nut
Screener King
$76.28
JME Threaded Merchant Steel Full Couplings - BSC-4
John M. Ellsworth Co., Inc.
$76.28
JME Threaded Merchant Steel Full Couplings - BSC-4
John M. Ellsworth Co., Inc.
$9.95
RC-050 Solid Rigid Coupling 1/2" ID Black Oxide Finish 1 Pack
Summit Collars & Industrial Supply
$9.95
RC-050 Solid Rigid Coupling 1/2" ID Black Oxide Finish 1 Pack
Summit Collars & Industrial Supply
$49.11
Milwaukee Threaded Female Coupling 42900080
Jacks Small Engines
$49.11
Milwaukee Threaded Female Coupling 42900080
Jacks Small Engines
$39.01
Smith Cooper 150 Black Malleable Iron 3 in. Banded Coupling Pipe Fittings - Threaded - 4316000320
John M. Ellsworth Co., Inc.
$39.01
Smith Cooper 150 Black Malleable Iron 3 in. Banded Coupling Pipe Fittings - Threaded - 4316000320
John M. Ellsworth Co., Inc.
$69.58
Empire 3/4-10 Thread, 2-1/4" OAL Stainless Steel Standard Coupling Nut - Uncoated | Part 51SS0075K
MSC Direct
$69.58
Empire 3/4-10 Thread, 2-1/4" OAL Stainless Steel Standard Coupling Nut - Uncoated | Part 51SS0075K
MSC Direct
$2.60
PVC Threaded Coupler - 3/4 Inches FPT (430-007)
ValveKing
$2.60
PVC Threaded Coupler - 3/4 Inches FPT (430-007)
ValveKing
$0.38
Dura - 430-005G - 1/2' Sch40 PVC Coupling Threaded
Cheap Sprinklers
$0.38
Dura - 430-005G - 1/2' Sch40 PVC Coupling Threaded
Cheap Sprinklers
$25.90
Stainless Steel Threaded Couplings
Max-Gain Systems
$25.90
Stainless Steel Threaded Couplings
Max-Gain Systems
$19.99
Pipe Couplings, 2in. Female Thread
Northern Tool
$19.99
Pipe Couplings, 2in. Female Thread
Northern Tool
$36.56
RC-150-KW Solid Rigid Coupling 1-1/2" ID W/ Keyway 1 Pack
Summit Collars & Industrial Supply
$36.56
RC-150-KW Solid Rigid Coupling 1-1/2" ID W/ Keyway 1 Pack
Summit Collars & Industrial Supply
$2.24
PVC Threaded Coupler - 1/2 Inches FPT (430-005)
ValveKing
$2.24
PVC Threaded Coupler - 1/2 Inches FPT (430-005)
ValveKing
$9.99
Western Enterprises BF-8-4HP Pipe Thread Reducer Couplings, Connector, Brass, 1/2 in (NPT) 1/4 in (NPT)
IndustrialSafety.com
$9.99
Western Enterprises BF-8-4HP Pipe Thread Reducer Couplings, Connector, Brass, 1/2 in (NPT) 1/4 in (NPT)
IndustrialSafety.com
$102.25
Southwire Garvin 3 Inch Stainless Steel Threaded Rigid Coupling (RC-300SS)
Lighting Supply
$102.25
Southwire Garvin 3 Inch Stainless Steel Threaded Rigid Coupling (RC-300SS)
Lighting Supply
$7.90
Painter's Pole Threaded Coupling Sets
Max-Gain Systems
$7.90
Painter's Pole Threaded Coupling Sets
Max-Gain Systems
$13.75
RC-075-KW Solid Rigid Coupling 3/4" ID W/ Keyway 1 Pack
Summit Collars & Industrial Supply
$13.75
RC-075-KW Solid Rigid Coupling 3/4" ID W/ Keyway 1 Pack
Summit Collars & Industrial Supply
How to Make Threaded Pipe Connections
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Shop threaded coupling

Sponsored
About our ads
$2.99
1-1/4" Galvanized Straight Coupling Female NPT Thread Fitting
PRM Filtration
$2.99
1-1/4" Galvanized Straight Coupling Female NPT Thread Fitting
PRM Filtration
$11.59
Megairon 2" X 2" NPT Male Threaded Hex Nipple,Stainless Steel 304 Quick Coupler Pipe Fitting
Amazon.com
166
$11.59
Megairon 2" X 2" NPT Male Threaded Hex Nipple,Stainless Steel 304 Quick Coupler Pipe Fitting
Amazon.com
$1.77
0.5" Nom. 150 Stainless 304 Threaded Half Coupling Std Pattern
OnlineMetals.com
$1.77
0.5" Nom. 150 Stainless 304 Threaded Half Coupling Std Pattern
OnlineMetals.com
$37.28
3" Inch Coupling Threaded NPT 304 Stainless Steel FNPT X FNPT Full Coupling Class 150
Amazon.com
8
$37.28
3" Inch Coupling Threaded NPT 304 Stainless Steel FNPT X FNPT Full Coupling Class 150
Amazon.com
$39.00
Rigid Threaded Coupling 3/4 Inch 20 Pack
Amazon.com
Free shipping
$39.00
Rigid Threaded Coupling 3/4 Inch 20 Pack
Amazon.com
$6.99
2-1/2" Galvanized Straight Coupling Female NPT Thread Fitting
PRM Filtration
$6.99
2-1/2" Galvanized Straight Coupling Female NPT Thread Fitting
PRM Filtration
$6.99
BMI 2 Inch NPT Galvanized Straight Coupling | PRM, 2" COUPLING
PRM Filtration
$6.99
BMI 2 Inch NPT Galvanized Straight Coupling | PRM, 2" COUPLING
PRM Filtration
$18.96
2" Nom. 150 Stainless 316 Threaded Full Coupling Std Pattern
OnlineMetals.com
$18.96
2" Nom. 150 Stainless 316 Threaded Full Coupling Std Pattern
OnlineMetals.com
$3.77
3/8" Cast Threaded Full Coupling 150 304 Stainless SN: S3014CP003
SSF
$3.77
3/8" Cast Threaded Full Coupling 150 304 Stainless SN: S3014CP003
SSF
$707.80
23285 Coupling
Industrial Air Power
$707.80
23285 Coupling
Industrial Air Power
$34.24
Coupling Nut: Plain, 18-8, Stainless Steel, 3/8"-24 Thread, 1/2 in Hex Wd, 1 1/8 in Lg, Plain, 5 PK [PK/5] Model: 250421BG
Grainger
$34.24
Coupling Nut: Plain, 18-8, Stainless Steel, 3/8"-24 Thread, 1/2 in Hex Wd, 1 1/8 in Lg, Plain, 5 PK [PK/5] Model: 250421BG
Grainger
$71.67
Orbit RTC-200 2" Steel Rigid Coupling Compression Type BY BUYRITE ELECTRIC
BuyRite Electric
$71.67
Orbit RTC-200 2" Steel Rigid Coupling Compression Type BY BUYRITE ELECTRIC
BuyRite Electric
$20.15
$201.33
Coupling | Threaded Fitting | SS304 | Import, 0.125 in / 3000
Trupply LLC
89% off
$20.15
$201.33
Coupling | Threaded Fitting | SS304 | Import, 0.125 in / 3000
Trupply LLC
$0.42
Coupling: 1/2 in X 1/2 in Fitting Pipe Size, Schedule 40, Female NPT X Female NPT, White, Coupling Model: 430005
Grainger
$0.42
Coupling: 1/2 in X 1/2 in Fitting Pipe Size, Schedule 40, Female NPT X Female NPT, White, Coupling Model: 430005
Grainger
$87.46
4" Cast Threaded Half Coupling 150 304 Stainless SN: S3014HC040
SSF
$87.46
4" Cast Threaded Half Coupling 150 304 Stainless SN: S3014HC040
SSF
$8.57
Coupling | Threaded Fitting | A105 | Import, 2 in / 3000
Trupply LLC
$8.57
Coupling | Threaded Fitting | A105 | Import, 2 in / 3000
Trupply LLC
$74.37
Ruland OCT12-4-SS, 1/4" Oldham Coupling Hub, 303 Stainless Steel, Clamp Style, 0.750" OD, 0.380" Length
Ruland Manufacturing
$74.37
Ruland OCT12-4-SS, 1/4" Oldham Coupling Hub, 303 Stainless Steel, Clamp Style, 0.750" OD, 0.380" Length
Ruland Manufacturing
$25.64
JME 2 in. Aluminum Straight Pipe Coupling - Threaded - 44705K371
John M. Ellsworth Co., Inc.
$25.64
JME 2 in. Aluminum Straight Pipe Coupling - Threaded - 44705K371
John M. Ellsworth Co., Inc.

  • Custom Made Hex Coupling Nuts | A194, A563, Or F594

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