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Coupling Nuts (2,500+ items) - Page 4

Newport Fasteners Coupling Nut, 3/8"-16, Steel, Grade A, Plain, 1-3/4 in Lg, 9/16 in Hex Wd, 500 PK 890992-BR-500
Multiple Options Available
Newport Fasteners

Coupling Nut, 3/8"-16, Steel, Grade A, Plain, 1-3/4 in Lg, 9/16 in Hex Wd, 500 PK

Zoro # G806317934
Mfr # 890992-BR-500
product price:  $391.99
/pk 500, $0.78/ea
Newport Fasteners Coupling Nut, 3/8"-16, Steel, Grade A, Zinc Plated, 1-3/4 in Lg, 9/16 in Hex Wd, 500 PK NB303031B-500
Newport Fasteners

Coupling Nut, 3/8"-16, Steel, Grade A, Zinc Plated, 1-3/4 in Lg, 9/16 in Hex Wd, 500 PK

Zoro # G006318106
Mfr # NB303031B-500
product price:  $385.99
/pk 500, $0.77/ea
Huyett Coupling Nut, 1/2-13, Steel, Grade A, Zinc Clear Trivalent, 1-1/4 in Lg, 0.625 in Hex Wd NUTP00-0500-1250A563
Huyett

Coupling Nut, 1/2-13, Steel, Grade A, Zinc Clear Trivalent, 1-1/4 in Lg, 0.625 in Hex Wd

Zoro # G513330936
Mfr # NUTP00-0500-1250A563
product price:  $0.28
/ea
Sold in mult. of 45 for $12.60
Ampg Coupling Nut, #1-8, Steel, Black Oxide, 2-1/2 in Lg, 1-5/8 in Hex Wd Z0090
Ampg

Coupling Nut, #1-8, Steel, Black Oxide, 2-1/2 in Lg, 1-5/8 in Hex Wd

Zoro # G0642122
Mfr # Z0090
product price:  $25.19
/ea
Midwest Fastener Coupling Nut, #10-32, Steel, Grade 2, Zinc Plated, 3/4 in Lg, 5/16 in Hex Wd, 5 PK 76241
Midwest Fastener

Coupling Nut, #10-32, Steel, Grade 2, Zinc Plated, 3/4 in Lg, 5/16 in Hex Wd, 5 PK

Zoro # G302521590
Mfr # 76241
product price:  $5.79
/pk 5, $1.16/ea
Sold in mult. of 2 for $11.58
Ampg Coupling Nut, 5/8"-18, Stainless Steel, Grade 316, Plain, 2-1/8 in Lg, 13/16 in Hex Wd NUT6525818
Ampg

Coupling Nut, 5/8"-18, Stainless Steel, Grade 316, Plain, 2-1/8 in Lg, 13/16 in Hex Wd

Zoro # G0641249
Mfr # NUT6525818
product price:  $31.89
/ea
Ampg Reducing Sleeve, 18-8 Grade, M8 to M10 Sz NUT601M8XM10
Ampg

Reducing Sleeve, 18-8 Grade, M8 to M10 Sz

Zoro # G0640031
Mfr # NUT601M8XM10
product price:  $14.99
/ea
Boltsandnuts.Com M20-2.5, Class 6, Zinc Plated, 60 mm Lg, 75 PK M20C60NCPL6Z-75
Boltsandnuts.Com

M20-2.5, Class 6, Zinc Plated, 60 mm Lg, 75 PK

Zoro # G314495124
Mfr # M20C60NCPL6Z-75
product price:  $335.99
/pk 75, $4.48/ea
Boltsandnuts.Com 5/16"-18, Grade A, Galvanized, 1-3/4 in Lg, 10 PK 31C175NCPL2G-10
Boltsandnuts.Com

5/16"-18, Grade A, Galvanized, 1-3/4 in Lg, 10 PK

Zoro # G614441777
Mfr # 31C175NCPL2G-10
product price:  $13.45
/pk 10, $1.35/ea
Oxoxo 3/8-16X1 Reduced Hex Rod Coupling Nut, 1/4-20, 1/2 Across Flats Zinc, 200PK 509899
Oxoxo

3/8-16X1 Reduced Hex Rod Coupling Nut, 1/4-20, 1/2 Across Flats Zinc, 200PK

Zoro # G322672708
Mfr # 509899
product price:  $142.99
/pk 200, $0.71/ea
Boltsandnuts.Com 7/8"-14, Grade A, Zinc Plated, 2-1/2 in Lg 87F250NCPL2Z-1
Boltsandnuts.Com

7/8"-14, Grade A, Zinc Plated, 2-1/2 in Lg

Zoro # G814489180
Mfr # 87F250NCPL2Z-1
product price:  $12.15
/ea
Boltsandnuts.Com 3/4"-10 and 5/8"-11, Grade A, Zinc Plated, 1-1/2 in Lg, 2 PK 75CX62C150RCN2Z-2
Boltsandnuts.Com

3/4"-10 and 5/8"-11, Grade A, Zinc Plated, 1-1/2 in Lg, 2 PK

Zoro # G014488877
Mfr # 75CX62C150RCN2Z-2
product price:  $10.99
/pk 2, $5.50/ea
Zoro Select Coupling Nut, 3/8"-16, Steel, Grade 2, Zinc Plated, 1-1/8 in Lg, 9/16 in Hex Wd, 10 PK 250460BG
Zoro Select

Coupling Nut, 3/8"-16, Steel, Grade 2, Zinc Plated, 1-1/8 in Lg, 9/16 in Hex Wd, 10 PK

Zoro # G0684984
Mfr # 250460BG
product price:  $26.49
/pk 10, $2.65/ea
Ampg Coupling Nut, #6-32 and #8-32, Stainless Steel, Grade 18-8, Plain, 5/8 in Lg, 5/16 in Hex Wd NUT6016X8
Ampg

Coupling Nut, #6-32 and #8-32, Stainless Steel, Grade 18-8, Plain, 5/8 in Lg, 5/16 in Hex Wd

Zoro # G0639998
Mfr # NUT6016X8
product price:  $6.99
/ea
Sold in mult. of 2 for $13.98
Huyett Coupling Nut, 1/2-13, Steel, Grade A, Zinc Clear Trivalent, 1-1/4 in Lg, 0.625 in Hex Wd NUTP05-0500-0375A563
Huyett

Coupling Nut, 1/2-13, Steel, Grade A, Zinc Clear Trivalent, 1-1/4 in Lg, 0.625 in Hex Wd

Zoro # G613331314
Mfr # NUTP05-0500-0375A563
product price:  $0.99
/ea
Sold in mult. of 17 for $16.83
Midwest Fastener Coupling Nut, 7/8"-9, Steel, Hot Dipped Galvanized, 2-1/2 in Lg, 75 PK 09879
Midwest Fastener

Coupling Nut, 7/8"-9, Steel, Hot Dipped Galvanized, 2-1/2 in Lg, 75 PK

Zoro # G102514204
Mfr # 09879
product price:  $695.99
/pk 75, $9.28/ea
Ampg Coupling Nut, 9/16"-18, Stainless Steel, Grade 18-8, Plain, 2-1/8 in Lg, 13/16 in Hex Wd NUT65191F
Ampg

Coupling Nut, 9/16"-18, Stainless Steel, Grade 18-8, Plain, 2-1/8 in Lg, 13/16 in Hex Wd

Zoro # G0640810
Mfr # NUT65191F
product price:  $37.19
/ea
Newport Fasteners Coupling Nut Reducer, 3/8"-16 and 1/4"-20, Steel, Grade A, Zinc Plated, 1 in Lg, 1/2 in Hex Wd 458079-BR-1250
Newport Fasteners

Coupling Nut Reducer, 3/8"-16 and 1/4"-20, Steel, Grade A, Zinc Plated, 1 in Lg, 1/2 in Hex Wd

Zoro # G906318145
Mfr # 458079-BR-1250
product price:  $928.99
/pk 1250, $0.74/ea
Kipp Coupling Nut, M24, Steel, Class 10, Bright, 36 mm Lg, 36 mm Hex Wd K0702.24
Kipp

Coupling Nut, M24, Steel, Class 10, Bright, 36 mm Lg, 36 mm Hex Wd

Zoro # G302052285
Mfr # K0702.24
product price:  $10.45
/ea
Sold in mult. of 2 for $20.90
Newport Fasteners Coupling Nut Reducer, 5/8"-11 and 1/2"-13, Steel, Grade A, Zinc Plated, 1-1/4 in Lg, 20 PK 714004-PR-20
Newport Fasteners

Coupling Nut Reducer, 5/8"-11 and 1/2"-13, Steel, Grade A, Zinc Plated, 1-1/4 in Lg, 20 PK

Zoro # G406317907
Mfr # 714004-PR-20
product price:  $108.99
/pk 20, $5.45/ea
Zoro Select Coupling Nut, 1/2"-20, 18-8 Stainless Steel, Not Graded, Plain, 1-1/4 in Lg, 5/8 in Hex Wd, 2 PK 250426BG
Zoro Select

Coupling Nut, 1/2"-20, 18-8 Stainless Steel, Not Graded, Plain, 1-1/4 in Lg, 5/8 in Hex Wd, 2 PK

Zoro # G0957914
Mfr # 250426BG
product price:  $11.79
/pk 2, $5.90/ea
No Product Image Available
Zoro Select

Female-Female Hex Adapter

Zoro # G522382926
Mfr # NUT720M10FXM12EF
product price:  $9.39
/ea
No Product Image Available
Zoro Select

Male-Female Hex Adapter

Zoro # G322380924
Mfr # ZTA51CX38C-AL
product price:  $4.99
/ea
Sold in mult. of 2 for $9.98
No Product Image Available
Zoro Select

Male-Female Hex Adapter

Zoro # G122381237
Mfr # ZTA38FX51C-188
product price:  $6.89
/ea
Sold in mult. of 2 for $13.78
No Product Image Available
Zoro Select

Male-Female Hex Adapter

Zoro # G622386855
Mfr # ZTA14CXM6C-316
product price:  $7.59
/ea
Sold in mult. of 2 for $15.18
No Product Image Available
Zoro Select

Male-Female Hex Adapter

Zoro # G422387632
Mfr # ZTA12FX12C-316
product price:  $16.79
/ea
National Hardware 4013BC Series Coupling Nut, UNC Thread, 5/8-11 Thread, Galvanized N182-718
National Hardware

4013BC Series Coupling Nut, UNC Thread, 5/8-11 Thread, Galvanized

Zoro # G213761047
Mfr # N182-718
product price:  $7.29
/ea
No Product Image Available
Zoro Select

Male-Female Hex Adapter

Zoro # G022382372
Mfr # ZTA12CXM12EF-316
product price:  $20.99
/ea
No Product Image Available
Zoro Select

Male-Female Hex Adapter

Zoro # G422380251
Mfr # ZTA38CX38EF-316
product price:  $10.79
/ea
Stanley COUPLING NUT THREAD ROD1/4-20 N182-667
Stanley

COUPLING NUT THREAD ROD1/4-20

Zoro # G313761466
Mfr # N182-667
product price:  $4.29
/ea
Sold in mult. of 20 for $85.80
Boltsandnuts.Com 1/2"-13 and 3/8"-16, Grade A, Zinc Plated, 1-1/4 in Lg, 625 PK 50CX37C125RCN2Z-625
Boltsandnuts.Com

1/2"-13 and 3/8"-16, Grade A, Zinc Plated, 1-1/4 in Lg, 625 PK

Zoro # G014483858
Mfr # 50CX37C125RCN2Z-625
product price:  $512.99
/pk 625, $0.82/ea
National Hardware Coupler, UNC Coarse Thread, 789 Thread, Zinc N261-412
National Hardware

Coupler, UNC Coarse Thread, 789 Thread, Zinc

Zoro # G707497889
Mfr # N261-412
product price:  $15.29
/ea
Newport Fasteners Coupling Nut, 3/4"-10, Steel, Zinc Plated, 3 in Lg, 1 in Hex Wd, 50 PK 837421
Newport Fasteners

Coupling Nut, 3/4"-10, Steel, Zinc Plated, 3 in Lg, 1 in Hex Wd, 50 PK

Zoro # G006318090
Mfr # 837421
product price:  $1,197.99
/pk 50, $23.96/ea
Newport Fasteners Coupling Nut, M8-1.25, 18-8 Stainless Steel, Not Graded, 24 mm Lg, 13 mm Hex Wd, 100 PK 771917-PR-100
Newport Fasteners

Coupling Nut, M8-1.25, 18-8 Stainless Steel, Not Graded, 24 mm Lg, 13 mm Hex Wd, 100 PK

Zoro # G706318031
Mfr # 771917-PR-100
product price:  $347.99
/pk 100, $3.48/ea
Midwest Fastener Inspection Hole Coupling Nut, 1/2"-13, Steel, Zinc Plated, 1-1/2 in Lg, 25 PK 09869
Midwest Fastener

Inspection Hole Coupling Nut, 1/2"-13, Steel, Zinc Plated, 1-1/2 in Lg, 25 PK

Zoro # G902514152
Mfr # 09869
product price:  $34.59
/pk 25, $1.38/ea
Kipp Coupling Nut, M16, Stainless Steel, Not Graded, Bright K0701.916
Kipp

Coupling Nut, M16, Stainless Steel, Not Graded, Bright

Zoro # G402052192
Mfr # K0701.916
product price:  $28.19
/ea
Coupling Nuts (2,500+ items) - Page 4
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About Coupling Nuts

Coupling Nuts are an essential piece of hardware used in many different applications. They are designed to join two pieces of threaded rod together, and come in a variety of sizes, shapes, and materials.

Types of Coupling Nuts

Coupling Nuts come in many different types and sizes, and the size and thread type vary depending on the specific application they will be used for. Additionally, some Coupling Nuts may have a set screw or left hand thread to provide additional security.

How Coupling Nuts are Made

Coupling Nuts are typically made from steel or stainless steel and can be either zinc plated or black oxide coated for added corrosion protection. The process to make them involves machining threads into the material so that it is compatible with other pieces of threaded rod.

Industries that use Coupling Nuts

Coupling Nuts are commonly used in industries such as construction, automotive repair, manufacturing and plumbing. Professionals use them to securely fasten two pieces of threaded rod together while allowing them to rotate freely around each other.

Find the Coupling Nuts You Need at Zoro

Looking for a specific item? Use our robust search tool to find it by name or keyword, or use our handy filters to narrow down our full assortment. You can also check out our whole selection of fasteners, along with other tools or supplies to ensure you have all you need to tackle the job, especially if you're taking on a DIY project for the first time.
Plus, when you shop at Zoro, you'll always enjoy competitive prices on tons of great brands you know and trust. We make the shopping experience as fast and seamless as possible with free shipping on orders over $50 for registered users, Net 30 payment terms for qualifying customers, and an unparalleled customer service experience.

Related Categories

Hex NutsLock NutsSpring Nuts & Cage NutsCap Nuts & Acorn NutsFully-Threaded Rods & Studs
General WashersHex Head Cap ScrewsSocket Head Cap ScrewsLock WashersEye Bolts
1/2-13 galvanized nut1/2” acme nut1-8 hex nuts10-32 coupling nut1/2-13 coupling nut
2 in. galvanized coupling10-24 coupling nut1” but2" brass coupling1"-8 coupling nut

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