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Coupling Nuts

95 products

Showing 1 - 48 of 95 products

Coupling nuts, or extension nuts, connect two pieces of threaded rod or bolt for extended length or tension adjustment. Common in structural, plumbing, and electrical installations, they deliver strength and alignment. Browse coupling nuts in multiple sizes and materials at MutualScrew.com.

Showing 1 - 48 of 95 products

[1 PC] Coupling Nuts Hex Reducing 18/8 Stainless 5/8-11 to 3/4-10

$25.35per 1( $25.35 each)

[10 PKG] Coupling Nuts Hex 18/8 Stainless 1-8 X 2-1/2

$241.03per 10( $24.10 each)

[10 PKG] Coupling Nuts Hex 18/8 Stainless 3/4-16 X 2-1/4

$147.47per 10( $14.75 each)

[10 PKG] Coupling Nuts Hex 18/8 Stainless 7/8-9 X 2-1/2

$135.58per 10( $13.56 each)

[10 PKG] Coupling Nuts Hex 316 Stainless 3/8-16 X 1/2 X 1-1/8

$76.83per 10( $7.68 each)

[10 PKG] Coupling Nuts Hex HDG 1/2-13

$48.55per 10( $4.86 each)

[10 PKG] Coupling Nuts Hex HDG 3/8-16

$43.16per 10( $4.32 each)

[10 PKG] Coupling Nuts Hex Reducing 18/8 Stainless 1/4-20 to 5/16-18

$37.63per 10( $3.76 each)

[10 PKG] Coupling Nuts Hex Steel Zinc 1-8 X 2 3/4

$66.43per 10( $6.64 each)

[100 PKG] Coupling Nuts Hex Reducing Steel Zinc 1/4-20 X 1/2-13 X 1-1/4

$249.11per 100( $2.49 each)

[100 PKG] Coupling Nuts Hex Reducing Steel Zinc 1/4-20 X 5/16-18 X 1

$277.99per 100( $2.78 each)

[100 PKG] Coupling Nuts Hex Reducing Steel Zinc 3/8-16 X 1/2-13 X 1-1/4

$125.56per 100( $1.26 each)

[100 PKG] Coupling Nuts Hex Reducing Steel Zinc 3/8-16 X 5/8-11 X 1-1/4

$201.28per 100( $2.01 each)

[100 PKG] Coupling Nuts Hex Reducing Steel Zinc 5/16-18 X 3/8-16 X 1

$151.46per 100( $1.51 each)

[100 PKG] Coupling Nuts Hex Steel Zinc 1/4-20 X 7/8

$15.07per 100( $0.15 each)

[100 PKG] Coupling Nuts Hex Steel Zinc 3/8-16 X 1 1/8

$24.10per 100( $0.24 each)

[100 PKG] Coupling Nuts Hex Steel Zinc 3/8-16 X 1 3/4

$67.07per 100( $0.67 each)

[100 PKG] Coupling Nuts Hex Steel Zinc 5/16-18 X 1

$18.08per 100( $0.18 each)

[100 PKG] Coupling Nuts Hex Steel Zinc 5/8-11X2 1/8

$172.94per 100( $1.73 each)

[100 PKG] Coupling Nuts Hex Steel Zinc 5/8-18X2 1/8

$223.80per 100( $2.24 each)

[100 PKG] Coupling Nuts Hex Steel Zinc Plated 1/2-13 Thread X 5/8 Hex X 1-1/4

$85.00per 100( $0.85 each)

[100 PKG] Coupling Nuts Hex Steel Zinc Plated 1/4-20 Thread X 3/8 Hex X 7/8

$25.00per 100( $0.25 each)

[100 PKG] Coupling Nuts Hex Steel Zinc Plated 3/8-16 Thread X 1/2 Hex X 1-1/8

$55.00per 100( $0.55 each)

[1000 BULK] Coupling Nuts Hex Steel Zinc 10-24X3/4-5/16

$278.51per 1000( $0.28 each)

[1000 BULK] Coupling Nuts Hex Steel Zinc 10-32X3/4-5/16

$371.69per 1000( $0.37 each)

[1000 BULK] Coupling Nuts Hex Steel Zinc 8-32X5/8-5/16

$434.88per 1000( $0.43 each)

[15 PKG] Coupling Nuts Hex 18/8 Stainless 3/4-10 X 2-1/4

$135.64per 15( $9.04 each)

[15 PKG] Coupling Nuts Hex 18/8 Stainless 5/8-18 X 2-1/8

$140.87per 15( $9.39 each)

[15 PKG] Coupling Nuts Hex 316 Stainless 1/4-20 X 3/8 Hex X 7/8

$62.65per 15( $4.18 each)

[15 PKG] Coupling Nuts Hex 316 Stainless 5/16-18 X 7/16 X 1

$63.80per 15( $4.25 each)

[15 PKG] Coupling Nuts Hex Brass 1/4-20 Thread X 3/8 Hex X 7/8

$39.00per 15( $2.60 each)

[15 PKG] Coupling Nuts Hex Reducing Steel Zinc 7/8-9 X 1-8 X 2

$90.87per 15( $6.06 each)

[150 PKG] Coupling Nuts Hex Steel Zinc 1/2-13X1 1/4

$84.15per 150( $0.56 each)

[150 PKG] Coupling Nuts Hex Steel Zinc 1/2-13X1 3/4

$158.03per 150( $1.05 each)

[150 PKG] Coupling Nuts Hex Steel Zinc 1/2-20X1 1/4

$170.35per 150( $1.14 each)

[2 PKG] Coupling Nuts Hex 316 Stainless 1-8 X 1-3/8 X 2-1/2

$85.77per 2( $42.89 each)

[2 PKG] Coupling Nuts Hex 316 Stainless 3/4-10 X 1 X 2

$47.22per 2( $23.61 each)

[2 PKG] Coupling Nuts Hex 316 Stainless 7/8-9 X 1-1/4 X 2-1/2

$66.13per 2( $33.07 each)

[2 PKG] Coupling Nuts Hex Reducing 18/8 Stainless 1/2-13 to 5/8

$34.49per 2( $17.25 each)

[20 PKG] Coupling Nuts Hex 18/8 Stainless 1/2-13 X 1-3/4

$135.87per 20( $6.79 each)

[20 PKG] Coupling Nuts Hex 18/8 Stainless 3/8-16 X 1-3/4

$131.80per 20( $6.59 each)

[20 PKG] Coupling Nuts Hex Reducing Steel Zinc 3/4-10 X 7/8-9 X 1-3/4

$85.10per 20( $4.26 each)

[20 PKG] Coupling Nuts Hex Steel Zinc 1 1/4-7 x 3

$309.08per 20( $15.45 each)

[20 PKG] Coupling Nuts Hex Steel Zinc 1 1/8-7 x 3

$250.60per 20( $12.53 each)

[20 PKG] Coupling Nuts Hex Steel Zinc 1-8X2 3/4 1 3/8A/F

$169.59per 20( $8.48 each)

[200 PKG] Coupling Nuts Hex Steel Zinc 3/8-16X1 1/8

$67.47per 200( $0.34 each)

[200 PKG] Coupling Nuts Hex Steel Zinc 3/8-16X1 3/4

$146.90per 200( $0.73 each)

[200 PKG] Coupling Nuts Hex Steel Zinc 3/8-24X1 1/8

$151.21per 200( $0.76 each)

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