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Coupling Nuts (2,500+ items)

Te-Co Coupling Nut, 3/4"-10, Steel, Grade 5, Black Oxide, 1-7/8 in Lg, 1-1/4 in Hex Wd 41507
Te-Co

Coupling Nut, 3/4"-10, Steel, Grade 5, Black Oxide, 1-7/8 in Lg, 1-1/4 in Hex Wd

Zoro # G3128045
Mfr # 41507
product price:  $8.99
/ea
Zoro Select Coupling Nut, 9/16"-18, Steel, Grade 2, Zinc Plated, 2-1/8 in Lg, 13/16 in Hex Wd, 5 PK 250383BG
CAD Files Available
Zoro Select

Coupling Nut, 9/16"-18, Steel, Grade 2, Zinc Plated, 2-1/8 in Lg, 13/16 in Hex Wd, 5 PK

Zoro # G2328767
Mfr # 250383BG
product price:  $24.79
/pk 5, $4.96/ea
Zoro Select Coupling Nut, 3/8"-16, Steel, Grade 2, Zinc Plated, 1-3/4 in Lg, 9/16 in Hex Wd, 10 PK U11400.037.0175
CAD Files Available
Zoro Select

Coupling Nut, 3/8"-16, Steel, Grade 2, Zinc Plated, 1-3/4 in Lg, 9/16 in Hex Wd, 10 PK

Zoro # G3426048
Mfr # U11400.037.0175
product price:  $7.25
/pk 10, $0.73/ea
Zoro Select Coupling Nut, 1/4"-20, Steel, Grade 2, Zinc Plated, 7/8 in Lg, 3/8 in Hex Wd, 10 PK 1JA53
CAD Files Available
Zoro Select

Coupling Nut, 1/4"-20, Steel, Grade 2, Zinc Plated, 7/8 in Lg, 3/8 in Hex Wd, 10 PK

Zoro # G0293002
Mfr # 1JA53
product price:  $3.95
/pk 10, $0.40/ea
Zoro Select Coupling Nut, 3/4"-10, Steel, Grade 2, Hot Dipped Galvanized, 3 in Lg, 1 in Hex Wd, 2 PK 250294BG
Zoro Select

Coupling Nut, 3/4"-10, Steel, Grade 2, Hot Dipped Galvanized, 3 in Lg, 1 in Hex Wd, 2 PK

Zoro # G2962574
Mfr # 250294BG
product price:  $12.29
/pk 2, $6.15/ea
Zoro Select Coupling Nut, 9/16"-12, Steel, Grade 2, Zinc Plated, 2-1/8 in Lg, 13/16 in Hex Wd, 5 PK 250088BG
Zoro Select

Coupling Nut, 9/16"-12, Steel, Grade 2, Zinc Plated, 2-1/8 in Lg, 13/16 in Hex Wd, 5 PK

Zoro # G2518363
Mfr # 250088BG
product price:  $24.75
/pk 5, $4.95/ea
Zoro Select Coupling Nut, 3/8"-16, Steel, Grade 2, Zinc Plated, 1-3/4 in Lg, 5/8 in Hex Wd, 10 PK 1JA67
CAD Files Available
Zoro Select

Coupling Nut, 3/8"-16, Steel, Grade 2, Zinc Plated, 1-3/4 in Lg, 5/8 in Hex Wd, 10 PK

Zoro # G1204822
Mfr # 1JA67
product price:  $10.39
/pk 10, $1.04/ea
Zoro Select Coupling Nut, No. 10-32, Steel, Grade 2, Zinc Plated, 3/4 in Lg, 5/16 in Hex Wd, 10 PK 1JA51
CAD Files Available
Zoro Select

Coupling Nut, No. 10-32, Steel, Grade 2, Zinc Plated, 3/4 in Lg, 5/16 in Hex Wd, 10 PK

Zoro # G1336991
Mfr # 1JA51
product price:  $5.55
/pk 10, $0.55/ea
Zoro Select Coupling Nut, 5/16"-24, Steel, Grade 2, Zinc Plated, 7/8 in Lg, 1/2 in Hex Wd, 10 PK 1JA63
Zoro Select

Coupling Nut, 5/16"-24, Steel, Grade 2, Zinc Plated, 7/8 in Lg, 1/2 in Hex Wd, 10 PK

Zoro # G3388533
Mfr # 1JA63
product price:  $8.85
/pk 10, $0.89/ea
Zoro Select Coupling Nut, 3/8"-16, Steel, Grade 2, Zinc Plated, 1-1/8 in Lg, 11/16 in Hex Wd, 10 PK 250557BG
Zoro Select

Coupling Nut, 3/8"-16, Steel, Grade 2, Zinc Plated, 1-1/8 in Lg, 11/16 in Hex Wd, 10 PK

Zoro # G1952395
Mfr # 250557BG
product price:  $19.45
/pk 10, $1.94/ea
Zoro Select Coupling Nut, 3/4"-10, Brass, Plain, 2-1/4 in Lg, 1 in Hex Wd, 2 PK 250019BG
Zoro Select

Coupling Nut, 3/4"-10, Brass, Plain, 2-1/4 in Lg, 1 in Hex Wd, 2 PK

Zoro # G1967682
Mfr # 250019BG
product price:  $23.89
/pk 2, $11.95/ea
Zoro Select Coupling Nut, 3/4"-10, Steel, Grade 8, Zinc Plated, 2-1/4 in Lg, 1-1/8 in Hex Wd, 2 PK 205271BG
Zoro Select

Coupling Nut, 3/4"-10, Steel, Grade 8, Zinc Plated, 2-1/4 in Lg, 1-1/8 in Hex Wd, 2 PK

Zoro # G1163775
Mfr # 205271BG
product price:  $38.55
/pk 2, $19.28/ea
Zoro Select Coupling Nut, 1/4"-28, Steel, Grade 2, Zinc Plated, 7/8 in Lg, 3/8 in Hex Wd, 10 PK 1JA57
Zoro Select

Coupling Nut, 1/4"-28, Steel, Grade 2, Zinc Plated, 7/8 in Lg, 3/8 in Hex Wd, 10 PK

Zoro # G0800274
Mfr # 1JA57
product price:  $7.15
/pk 10, $0.72/ea
Zoro Select Coupling Nut, 5/16"-18, Steel, Grade 2, Zinc Plated, 1-3/4 in Lg, 1/2 in Hex Wd, 10 PK 1JA61
Zoro Select

Coupling Nut, 5/16"-18, Steel, Grade 2, Zinc Plated, 1-3/4 in Lg, 1/2 in Hex Wd, 10 PK

Zoro # G0704331
Mfr # 1JA61
product price:  $11.59
/pk 10, $1.16/ea
Zoro Select Coupling Nut, 1/4"-20, 18-8 Stainless Steel, Not Graded, Plain, 7/8 in Lg, 3/8 in Hex Wd, 10 PK 1HY24
Zoro Select

Coupling Nut, 1/4"-20, 18-8 Stainless Steel, Not Graded, Plain, 7/8 in Lg, 3/8 in Hex Wd, 10 PK

Zoro # G2381224
Mfr # 1HY24
product price:  $21.69
/pk 10, $2.17/ea
Zoro Select Coupling Nut, 1"-14, Steel, Grade 2, Zinc Plated, 2-3/4 in Lg, 1-3/8 in Hex Wd, 2 PK 250398BG
Zoro Select

Coupling Nut, 1"-14, Steel, Grade 2, Zinc Plated, 2-3/4 in Lg, 1-3/8 in Hex Wd, 2 PK

Zoro # G2507434
Mfr # 250398BG
product price:  $22.19
/pk 2, $11.10/ea
Midwest Fastener Coupling Nut, 3/8"-16, Brass, 50 PK 09217
Midwest Fastener

Coupling Nut, 3/8"-16, Brass, 50 PK

Zoro # G702505534
Mfr # 09217
product price:  $71.55
/pk 50, $1.43/ea
Zoro Select Coupling Nut, 5/8"-18, Steel, Grade 2, Zinc Plated, 2-1/8 in Lg, 13/16 in Hex Wd, 5 PK 1JA95
Zoro Select

Coupling Nut, 5/8"-18, Steel, Grade 2, Zinc Plated, 2-1/8 in Lg, 13/16 in Hex Wd, 5 PK

Zoro # G1086811
Mfr # 1JA95
product price:  $13.15
/pk 5, $2.63/ea
Zoro Select Coupling Nut, 5/8"-18, 18-8 Stainless Steel, Not Graded, Plain, 2-1/8 in Lg, 13/16 in Hex Wd, 2 PK 250430BG
Zoro Select

Coupling Nut, 5/8"-18, 18-8 Stainless Steel, Not Graded, Plain, 2-1/8 in Lg, 13/16 in Hex Wd, 2 PK

Zoro # G0951517
Mfr # 250430BG
product price:  $20.39
/pk 2, $10.20/ea
Zoro Select Coupling Nut, 7/8"-14, Steel, Grade 2, Zinc Plated, 2-1/2 in Lg, 1-1/4 in Hex Wd, 2 PK 250394BG
Zoro Select

Coupling Nut, 7/8"-14, Steel, Grade 2, Zinc Plated, 2-1/2 in Lg, 1-1/4 in Hex Wd, 2 PK

Zoro # G3024831
Mfr # 250394BG
product price:  $14.95
/pk 2, $7.48/ea
Midwest Fastener Coupling Nut, 3/8"-16, 18-8 Stainless Steel, Not Graded, 1-3/4 in Lg, 4 PK 33827
Midwest Fastener

Coupling Nut, 3/8"-16, 18-8 Stainless Steel, Not Graded, 1-3/4 in Lg, 4 PK

Zoro # G902518051
Mfr # 33827
product price:  $17.15
/pk 4, $4.29/ea
Zoro Select Coupling Nut, 1/4"-28, 18-8 Stainless Steel, Not Graded, Plain, 7/8 in Lg, 3/8 in Hex Wd, 5 PK 250417BG
Zoro Select

Coupling Nut, 1/4"-28, 18-8 Stainless Steel, Not Graded, Plain, 7/8 in Lg, 3/8 in Hex Wd, 5 PK

Zoro # G2993164
Mfr # 250417BG
product price:  $17.29
/pk 5, $3.46/ea
Zoro Select Coupling Nut, 1/2"-20, Steel, Grade 2, Zinc Plated, 1-3/4 in Lg, 11/16 in Hex Wd, 5 PK 250380BG
Zoro Select

Coupling Nut, 1/2"-20, Steel, Grade 2, Zinc Plated, 1-3/4 in Lg, 11/16 in Hex Wd, 5 PK

Zoro # G1287876
Mfr # 250380BG
product price:  $15.65
/pk 5, $3.13/ea
Boltsandnuts.Com 3/8"-24, Grade A, Zinc Plated, 1-1/8 in Lg, 25 PK 37F1125NCPL2Z-25
Boltsandnuts.Com

3/8"-24, Grade A, Zinc Plated, 1-1/8 in Lg, 25 PK

Zoro # G114482461
Mfr # 37F1125NCPL2Z-25
product price:  $19.39
/pk 25, $0.78/ea
Suburban Bolt And Supply Coupling Nut, 3/4"-6, Steel, Plain A042048ACME
Suburban Bolt And Supply

Coupling Nut, 3/4"-6, Steel, Plain

Zoro # G603497242
Mfr # A042048ACME
product price:  $15.99
/ea
Sold in mult. of 5 for $79.95
Dottie Coupling Nut, 1/2''-3/8'', Steel, Zinc Plated, 1-1/4 in Lg, 50 PK RRC32
Dottie

Coupling Nut, 1/2''-3/8'', Steel, Zinc Plated, 1-1/4 in Lg, 50 PK

Zoro # G407168157
Mfr # RRC32
product price:  $125.09
/pk 50, $2.50/ea
Huyett Coupling Nut, 3/8-16, Steel, Grade A, Zinc Clear Trivalent, 1-3/4 in Lg, 0.562 in Hex Wd NUTP00-0375-1750A563
Huyett

Coupling Nut, 3/8-16, Steel, Grade A, Zinc Clear Trivalent, 1-3/4 in Lg, 0.562 in Hex Wd

Zoro # G813330841
Mfr # NUTP00-0375-1750A563
product price:  $0.35
/ea
Sold in mult. of 40 for $14.00
Zoro Select Coupling Nut, 3/8"-16, 18-8 Stainless Steel, Not Graded, Plain, 1-1/8 in Lg, 1/2 in Hex Wd, 5 PK 1HY32
Zoro Select

Coupling Nut, 3/8"-16, 18-8 Stainless Steel, Not Graded, Plain, 1-1/8 in Lg, 1/2 in Hex Wd, 5 PK

Zoro # G2828962
Mfr # 1HY32
product price:  $15.49
/pk 5, $3.10/ea
Zoro Select Coupling Nut, 1/2"-13, Steel, Grade 2, Zinc Plated, 1-3/4 in Lg, 11/16 in Hex Wd, 10 PK 1JA77
CAD Files Available
Zoro Select

Coupling Nut, 1/2"-13, Steel, Grade 2, Zinc Plated, 1-3/4 in Lg, 11/16 in Hex Wd, 10 PK

Zoro # G1508245
Mfr # 1JA77
product price:  $15.99
/pk 10, $1.60/ea
Hhip Coupling Nut, 5/8"-11, Black Oxide, 1-5/8 in Lg 3900-1189
Hhip

Coupling Nut, 5/8"-11, Black Oxide, 1-5/8 in Lg

Zoro # G2460588
Mfr # 3900-1189
product price:  $4.45
/ea
Sold in mult. of 2 for $8.90
Hhip Vertex M16 X 2.00 41mm Long Coupling Nut 3903-1316
Hhip

Vertex M16 X 2.00 41mm Long Coupling Nut

Zoro # G407710912
Mfr # 3903-1316
product price:  $3.35
/ea
Sold in mult. of 3 for $10.05
Zoro Select Coupling Nut, M8-1.25, Steel, Zinc Plated, 24 mm Lg, 13 mm Hex Wd, 100 PK M11400.080.0001
Zoro Select

Coupling Nut, M8-1.25, Steel, Zinc Plated, 24 mm Lg, 13 mm Hex Wd, 100 PK

Zoro # G0547998
Mfr # M11400.080.0001
product price:  $17.15
/pk 100, $0.17/ea
Zoro Select Coupling Nut, 3/4"-16, 18-8 Stainless Steel, Not Graded, Plain, 2-1/4 in Lg, 1 in Hex Wd, 2 PK 250432BG
Zoro Select

Coupling Nut, 3/4"-16, 18-8 Stainless Steel, Not Graded, Plain, 2-1/4 in Lg, 1 in Hex Wd, 2 PK

Zoro # G1854867
Mfr # 250432BG
product price:  $15.99
/pk 2, $8.00/ea
Foreverbolt Coupling Nut, 3/8"-16, 18-8 Stainless Steel, Not Graded, NL-19, 1-1/8 in Lg, 1/2 in Hex Wd, 10 PK FBCP3816P10
Foreverbolt

Coupling Nut, 3/8"-16, 18-8 Stainless Steel, Not Graded, NL-19, 1-1/8 in Lg, 1/2 in Hex Wd, 10 PK

Zoro # G8041120
Mfr # FBCP3816P10
product price:  $32.25
/pk 10, $3.23/ea
Nvent Caddy Coupling Nut, 3/8", Steel, Electrogalvanized, 1-3/4 in Lg 0250037EG
Nvent Caddy

Coupling Nut, 3/8", Steel, Electrogalvanized, 1-3/4 in Lg

Zoro # G1154526
Mfr # 0250037EG
product price:  $3.14
/ea
Zoro Select Coupling Nut, 5/16"-24, 18-8 Stainless Steel, Not Graded, Plain, 7/8 in Lg, 1/2 in Hex Wd, 5 PK 250419BG
Zoro Select

Coupling Nut, 5/16"-24, 18-8 Stainless Steel, Not Graded, Plain, 7/8 in Lg, 1/2 in Hex Wd, 5 PK

Zoro # G3453423
Mfr # 250419BG
product price:  $18.49
/pk 5, $3.70/ea
Coupling Nuts (2,500+ items)
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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

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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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