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Coupling Nuts

133 products

Showing 49 - 96 of 133 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 49 - 96 of 133 products

1/4"-20 X 3/8" AF X 7/8" Length Coupling Nuts | Steel Zinc Plated (100 / Pkg.)

$25.00per 100( $0.25 each)

1/4"-20 X 7/8" Hex Coupling Nuts | Steel Zinc Plated | Grade 5 (750 / Pkg.)

$339.30per 750( $0.45 each)

1/4"-20 X 7/8" Length Coupling Nuts | 18/8 Stainless Steel (25 / Pkg.)

$26.13per 25( $1.05 each)

1/4"-20 X 7/8" Length Coupling Nuts | Steel Zinc Plated (100 / Pkg.)

$15.07per 100( $0.15 each)

1/4"-20 X 7/8"-3/8" Hex Coupling Nuts | 18/8 Stainless Steel (150 / Pkg.)

$344.75per 150( $2.30 each)

1/4"-20 X 7/8"-3/8" Hex Coupling Nuts | Steel Zinc Plated (600 / Pkg.)

$116.93per 600( $0.19 each)

1/4"-28 X 7/8" Length Coupling Nuts | 18/8 Stainless Steel (25 / Pkg.)

$35.57per 25( $1.42 each)

1/4"-28 X 7/8-3/8" Length Coupling Nuts | Steel Zinc Plated (600 / Pkg.)

$121.83per 600( $0.20 each)

3/4"-10 Coupling Nuts | Hot Dipped Galvanized Steel (5 / Pkg.)

$58.35per 5( $11.67 each)

3/4"-10 to 7/8"-9 X 1-3/4" Length Coupling Nuts | Reducing | Steel Zinc Plated (20 / Pkg.)

$85.10per 20( $4.26 each)

3/4"-10 X 1 1/2" Hex Coupling Nuts | Steel Zinc Plated (50 / Pkg.)

$74.31per 50( $1.49 each)

3/4"-10 X 1" AF X 2" Length Coupling Nuts | 316 Stainless Steel (2 / Pkg.)

$47.22per 2( $23.61 each)

3/4"-10 X 1" AF X 2" Length Coupling Nuts | Brass (3 / Pkg.)

$43.13per 3( $14.38 each)

3/4"-10 X 2 1/4 1 Hex Coupling Nuts | 18/8 Stainless Steel (30 / Pkg.)

$435.51per 30( $14.52 each)

3/4"-10 X 2 1/4-1 Hex Coupling Nuts | Steel Zinc Plated (50 / Pkg.)

$99.60per 50( $1.99 each)

3/4"-10 X 2-1/4" Length Coupling Nuts | 18/8 Stainless Steel (15 / Pkg.)

$135.64per 15( $9.04 each)

3/4"-10 X 2-1/4" Length Coupling Nuts | Steel Zinc Plated (25 / Pkg.)

$33.54per 25( $1.34 each)

3/4"-10 X 3"-1" Hex Coupling Nuts | Steel Zinc Plated (50 / Pkg.)

$544.16per 50( $10.88 each)

3/4"-16 X 2 1/4-1 Hex Coupling Nuts | Steel Zinc Plated (50 / Pkg.)

$125.57per 50( $2.51 each)

3/4"-16 X 2-1/4" Length Coupling Nuts | 18/8 Stainless Steel (10 / Pkg.)

$147.47per 10( $14.75 each)

3/8"-16 Coupling Nuts | Hot Dipped Galvanized Steel (10 / Pkg.)

$43.16per 10( $4.32 each)

3/8"-16 to 1/2"-13 Coupling Nuts | Reducing | 18/8 Stainless Steel (5 / Pkg.)

$38.46per 5( $7.69 each)

3/8"-16 to 1/2"-13 X 1-1/4" Length Coupling Nuts | Reducing | Steel Zinc Plated (100 / Pkg.)

$125.56per 100( $1.26 each)

3/8"-16 to 5/8"-11 X 1-1/4" Length Coupling Nuts | Reducing | Steel Zinc Plated (100 / Pkg.)

$201.28per 100( $2.01 each)

3/8"-16 X 1 1/8" Coupling Nuts | Steel Zinc Plated (200 / Pkg.)

$46.92per 200( $0.23 each)

3/8"-16 X 1 3/4" Hex Coupling Nuts | 18/8 Stainless Steel (90 / Pkg.)

$666.90per 90( $7.41 each)

3/8"-16 X 1 3/4" Hex Coupling Nuts | Steel Zinc Plated | Grade 5 (300 / Pkg.)

$876.09per 300( $2.92 each)

3/8"-16 X 1 3/8" Hex Coupling Nuts | 18/8 Stainless Steel (125 / Pkg.)

$310.48per 125( $2.48 each)

3/8"-16 X 1" Hex Coupling Nuts | Steel Zinc Plated (200 / Pkg.)

$96.87per 200( $0.48 each)

3/8"-16 X 1-1/8" Length Coupling Nuts | 18/8 Stainless Steel (25 / Pkg.)

$42.46per 25( $1.70 each)

3/8"-16 X 1-1/8" Length Coupling Nuts | Steel Zinc Plated (100 / Pkg.)

$24.10per 100( $0.24 each)

3/8"-16 X 1-3/4" Length Coupling Nuts | 18/8 Stainless Steel (20 / Pkg.)

$131.80per 20( $6.59 each)

3/8"-16 X 1-3/4" Length Coupling Nuts | Steel Zinc Plated (100 / Pkg.)

$67.07per 100( $0.67 each)

3/8"-16 X 1-3/4" Length Coupling Nuts | Steel Zinc Plated (200 / Pkg.)

$105.82per 200( $0.53 each)

3/8"-16 X 1/2" AF X 1-1/8" Length Coupling Nuts | 316 Stainless Steel (10 / Pkg.)

$76.83per 10( $7.68 each)

3/8"-16 X 1/2" AF X 1-1/8" Length Coupling Nuts | Brass (9 / Pkg.)

$38.88per 9( $4.32 each)

3/8"-16 X 1/2" AF X 1-1/8" Length Coupling Nuts | Steel Zinc Plated (100 / Pkg.)

$55.00per 100( $0.55 each)

3/8"-24 X 1 1/8" Hex Coupling Nuts | Steel Zinc Plated (200 / Pkg.)

$108.92per 200( $0.54 each)

3/8"-24 X 1-1/8" Length Coupling Nuts | 18/8 Stainless Steel (25 / Pkg.)

$66.77per 25( $2.67 each)

5/16"-18 to 3/8"-16 Coupling Nuts | Reducing | 18/8 Stainless Steel (10 / Pkg.)

$52.46per 10( $5.25 each)

5/16"-18 to 3/8"-16 X 1" Length Coupling Nuts | Reducing | Steel Zinc Plated (100 / Pkg.)

$151.46per 100( $1.51 each)

5/16"-18 X 1 1/8" Hex Coupling Nuts | Steel Zinc Plated | Grade 5 (650 / Pkg.)

$543.40per 650( $0.84 each)

5/16"-18 X 1 3/4" Hex Coupling Nuts | Steel Zinc Plated (200 / Pkg.)

$117.09per 200( $0.59 each)

5/16"-18 X 1" Length Coupling Nuts | 18/8 Stainless Steel (25 / Pkg.)

$39.19per 25( $1.57 each)

5/16"-18 X 1" Length Coupling Nuts | Steel Zinc Plated (100 / Pkg.)

$18.08per 100( $0.18 each)

5/16"-18 X 1-1/8" Length Coupling Nuts | Steel Zinc Plated (200 / Pkg.)

$116.45per 200( $0.58 each)

5/16"-18 X 7/16" AF X 1" Length Coupling Nuts | 316 Stainless Steel (15 / Pkg.)

$63.80per 15( $4.25 each)

5/16"-18 X 7/16" AF X 1" Length Coupling Nuts | Brass (8 / Pkg.)

$35.83per 8( $4.48 each)

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