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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 (300 / Pkg.)

$73.88per 300( $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 (50 / Pkg.)

$51.74per 50( $1.03 each)

1/4"-20 X 7/8" Length Coupling Nuts | Steel Zinc Plated (400 / Pkg.)

$59.07per 400( $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 (50 / Pkg.)

$70.43per 50( $1.41 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 Reducing Coupling Nuts | Steel Zinc Plated (20 / Pkg.)

$85.10per 20( $4.26 each)

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

$93.50per 4( $23.38 each)

3/4"-10 X 1" AF X 2" Length Coupling Nuts | Brass (6 / Pkg.)

$85.40per 6( $14.23 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 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" 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 (50 / Pkg.)

$66.41per 50( $1.33 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 3"-1" Hex Coupling Nuts | Steel Zinc Plated (50 / Pkg.)

$544.16per 50( $10.88 each)

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

$147.47per 10( $14.75 each)

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

$125.57per 50( $2.51 each)

3/8"-16 Coupling Nuts | Hot Dipped Galvanized Steel (20 / Pkg.)

$85.46per 20( $4.27 each)

3/8"-16 to 1/2"-13 Reducing Coupling Nuts | 18/8 Stainless Steel (10 / Pkg.)

$76.15per 10( $7.62 each)

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

$125.56per 100( $1.26 each)

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

$201.28per 100( $2.01 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" Coupling Nuts | Steel Zinc Plated (400 / Pkg.)

$92.90per 400( $0.23 each)

3/8"-16 X 1-1/8" Length Coupling Nuts | 18/8 Stainless Steel (50 / Pkg.)

$84.07per 50( $1.68 each)

3/8"-16 X 1-1/8" Length Coupling Nuts | Steel Zinc Plated (300 / Pkg.)

$71.22per 300( $0.24 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 1-3/4" 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 1-3/8" Hex Coupling Nuts | 18/8 Stainless Steel (125 / Pkg.)

$310.48per 125( $2.48 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 (18 / Pkg.)

$76.98per 18( $4.28 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 Reducing Coupling Nuts | 18/8 Stainless Steel (10 / Pkg.)

$52.46per 10( $5.25 each)

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

$151.46per 100( $1.51 each)

5/16"-18 X 1" Length Coupling Nuts | 18/8 Stainless Steel (50 / Pkg.)

$77.60per 50( $1.55 each)

5/16"-18 X 1" Length Coupling Nuts | Steel Zinc Plated (300 / Pkg.)

$53.43per 300( $0.18 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 1-1/8" Length Coupling Nuts | Steel Zinc Plated (200 / Pkg.)

$116.45per 200( $0.58 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 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 (16 / Pkg.)

$70.94per 16( $4.43 each)

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