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Hex Coupling Nuts

Looking for hex coupling nuts or rod couplings?

We carry hex coupling nuts or rod couplings .

Stock sizes include 5/16 A.F. through 1-3/8 A.F. in 18-8 Stainless Steel, Grade 5 Steel Zinc, and Low Carbon Steel Zinc.

Scroll down to find your size, or search by part number.

Add to Cart and buy online or email us for a custom quote.  Most popular products are in stock and ship within 24 hours.

Can't find what you're looking for? Email us at [email protected] for a custom quote. "We have the right screw for you" is our motto after all!
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1/2-13 X 1-1/4 Hex Rod Coupling Nut Stainless Steel 1/2-13X1 1/4 5/8 A/F HEX COUPL NUT 188 STAINLESS STEEL [100 PER BOX]
Price per Box: $308.61 / Quantity Discounts Available
10-24 X 3/4 Hex Rod Coupling Nut Stainless Steel 10-24X3/4-3/8 A/F HEX COUPLING NUT 18-8 STAINLESS STEEL [150 PER BOX]
Price per Box: $340.64 / Quantity Discounts Available
10-24 X 3/4 Hex Rod Coupling Nut Stainless Steel 10-24X3/4-5/16 A/F HEX COUPLING NUT 18-8 STAINLESS STEEL [175 PER BOX]
Price per Box: $380.10 / Quantity Discounts Available
10-32 X 3/4 Hex Rod Coupling Nut Stainless Steel 10-32X3/4-3/8 A/F HEX COUPLING NUT 18-8 STAINLESS STEEL [150 PER BOX]
Price per Box: $343.65 / Quantity Discounts Available
10-32 X 3/4 Hex Rod Coupling Nut Stainless Steel 10-32X3/4-5/16 5/16A/F HEX COUPL NUT 188 STAINLESS STEEL [175 PER BOX]
Price per Box: $403.03 / Quantity Discounts Available
1/4-20 X 7/8 Hex Rod Coupling Nut Stainless Steel 1/4-20X7/8-3/8 A/F HEX COUPLING NUT 18-8 STAINLESS STEEL [150 PER BOX]
Price per Box: $356.64 / Quantity Discounts Available
1-8 X 2-1/2 Hex Rod Coupling Nut Stainless Steel 1-8X2 1/2 1 1/4A/F HEX COUPL NUT188 STAINLESS STEEL [20 PER BOX]
Price per Box: $380.44 / Quantity Discounts Available
3/4-10 X 2-1/4 Hex Rod Coupling Nut Stainless Steel 3/4-10X2 1/4 1 "A/F HEX COUPLING NUT 188 STAINLESS STEEL [30 PER BOX]
Price per Box: $450.53 / Quantity Discounts Available
3/8-16 X 1-3/8 Hex Rod Coupling Nut Stainless Steel 3/8-16X1 3/8 1/2 A/F HEX COUPL NUT18-8 STAINLESS STEEL [125 PER BOX]
Price per Box: $321.19 / Quantity Discounts Available
3/8-16 X 1-3/4 Hex Rod Coupling Nut Stainless Steel 3/8-16X1 3/4 5/8 A/F HEX COUPL NUT 188 STAINLESS STEEL [90 PER BOX]
Price per Box: $643.90 / Quantity Discounts Available
5/16-18 X 7/8 Hex Rod Coupling Nut Stainless Steel 5/16-18X7/8 1/2A/F HEX COUPL NUT 18-8 STAINLESS STEEL [175 PER BOX]
Price per Box: $429.15 / Quantity Discounts Available
5/8-11 X 2-1/8 Hex Rod Coupling Nut Stainless Steel 5/8-11X2 1/8 13/16A/F HEX COUPL NUT188 STAINLESS STEEL [45 PER BOX]
Price per Box: $472.50 / Quantity Discounts Available
8-32 X 5/8 Hex Rod Coupling Nut Stainless Steel 8-32X5/8-5/16 A/F HEX COUPLING NUT 18-8 STAINLESS STEEL [200 PER BOX]
Price per Box: $399.46 / Quantity Discounts Available
8-32 X 5/8 Hex Rod Coupling Nut Stainless Steel 8-32X5/8-3/8 A/F HEX COUPLING NUT STAINLESS STEEL [125 PER BOX]
Price per Box: $353.81 / Quantity Discounts Available
10-24 X 3/4 Hex Rod Coupling Nut Steel Zinc 10-24X3/4-5/16 A/F HEX COUPLING NUT GR5 ZINC [1250 PER BOX]
Price per Box: $388.29 / Quantity Discounts Available
5/16-18 X 1-1/8 Hex Rod Coupling Nut Steel Zinc 5/16-18X1 1/8 1/2 A/F HEX COUPL NUT GR5 ZINC [650 PER BOX]
Price per Box: $524.66 / Quantity Discounts Available
1/2-13 X 1-3/4 Hex Rod Coupling Nut Steel Zinc 1/2-13X1 3/4 11/16A/F HEX COUPLING NUT ZINC [150 PER BOX]
Price per Box: $121.68 / Quantity Discounts Available
1/2-13 X 1-3/4 Hex Rod Coupling Nut Steel Zinc 1/2-13X1 3/4 3/4 A/F HEX COUPL NUT GR5 ZINC [225 PER BOX]
Price per Box: $620.55 / Quantity Discounts Available
1/2-13 & 3/8-16 X 1-1/4 Reducer Hex Rod Coupling Nut Steel Zinc 1/2-13X1 1/4 3/8-16 RD HEX COUP 5/8A/F ZINC [150 PER BOX]
Price per Box: $112.68 / Quantity Discounts Available
1/4-20 X 1-1/2 Hex Rod Coupling Nut Steel Zinc 1/4-20X1 1/2 7/16 A/F HEX COUPLING NUT ZINC [600 PER BOX]
Price per Box: $438.30 / Quantity Discounts Available
1/4-20 X 1-3/4 Hex Rod Coupling Nut Steel Zinc 1/4-20X1 3/4 7/16 A/F HEX COUPLING NUT ZINC [600 PER BOX]
Price per Box: $449.46 / Quantity Discounts Available
3/4-10 & 5/8-11 X 1-1/2 Reducer Hex Rod Coupling Nut Steel Zinc 3/4-10X1 1/2 5/8-11 RD HEX COUPLG 1"AF ZINC [50 PER BOX]
Price per Box: $79.44 / Quantity Discounts Available
3/8-16 X 1-1/8 Hex Rod Coupling Nut Steel Zinc 3/8-16X1 1/8 1 /2 A/F HEX COUPLING NUT ZINC [200 PER BOX]
Price per Box: $51.95 / Quantity Discounts Available
3/8-16 X 1-3/4 Hex Rod Coupling Nut Steel Zinc 3/8-16X1 3/4 5/8 A/F HEX COUPL NUT GR5 ZINC [300 PER BOX]
Price per Box: $565.06 / Quantity Discounts Available
3/8-16 X 1-3/4 Hex Rod Coupling Nut Steel Zinc 3/8-16X1 3/4 9/16 A/F HEX COUPLING NUT ZINC [200 PER BOX]
Price per Box: $113.11 / Quantity Discounts Available
5/16-18 X 1-1/8 Hex Rod Coupling Nut Steel Zinc 5/16-18X1 1/8 1/2 A/F HEX COUPLING NUT ZINC [200 PER BOX]
Price per Box: $124.48 / Quantity Discounts Available
5/16-18 X 1-3/4 Hex Rod Coupling Nut Steel Zinc 5/16-18X1 3/4 1/2 A/F HEX COUPLING NUT ZINC [200 PER BOX]
Price per Box: $125.16 / Quantity Discounts Available
5/8-11 X 1-7/8 Hex Rod Coupling Nut Steel Zinc 5/8-11X1 7/8 13/16A/F HEX COUPLING NUT ZINC [200 PER BOX]
Price per Box: $204.97 / Quantity Discounts Available
5/8-11 & 1/2-13 X 1-1/4 Reducer Hex Rod Coupling Nut Steel Zinc 5/8-11X1 1/4 1/2-13 RD HEX CUP 13/16AF ZINC [100 PER BOX]
Price per Box: $166.52 / Quantity Discounts Available
5/8-11 X 2-1/8 Hex Rod Coupling Nut Steel Zinc 5/8-11X2 1/8 13/16A/F HEX COUPLING NUT ZINC [100 PER BOX]
Price per Box: $133.16 / Quantity Discounts Available
5/8-18 X 2-1/8 Hex Rod Coupling Nut Steel Zinc 5/8-18X2 1/8 13/16A/F HEX COUPLING NUT ZINC [100 PER BOX]
Price per Box: $172.32 / Quantity Discounts Available
8-32 X 5/8 Hex Rod Coupling Nut Steel Zinc 8-32X5/8-5/16 A/F HEX COUPLING NUT GR5 ZINC [1250 PER BOX]
Price per Box: $359.78 / Quantity Discounts Available
1/2-13 X 1-1/4 Hex Rod Coupling Nut Steel Zinc 1/2-13X1 1/4 5/8 A/F HEX COUPLING NUT ZINC [150 PER BOX]
Price per Box: $61.98 / Quantity Discounts Available
1/2-20 X 1-1/4 Hex Rod Coupling Nut Steel Zinc 1/2-20X1 1/4 5/8 A/F HEX COUPLING NUT ZINC [150 PER BOX]
Price per Box: $131.16 / Quantity Discounts Available
3/8-24 X 1-1/8 Hex Rod Coupling Nut Steel Zinc 3/8-24X1 1/8 1/2 A/F HEX COUPLING NUT ZINC [200 PER BOX]
Price per Box: $116.43 / Quantity Discounts Available
5/16-18 X 7/8 Hex Rod Coupling Nut Steel Zinc 5/16-18X7/8 7/16 A/F HEX COUPLING NUT ZINC [200 PER BOX]
Price per Box: $62.88 / Quantity Discounts Available
5/16-24 X 7/8 Hex Rod Coupling Nut Steel Zinc 5/16-24X7/8 7/16 A/F HEX COUPLING NUT ZINC [200 PER BOX]
Price per Box: $49.17 / Quantity Discounts Available
7/8-9 X 2-1/2 Hex Rod Coupling Nut Steel Zinc 7/8-9X2 1/2 1 1/4A/F HEX COUPLING NUT ZINC [40 PER BOX]
Price per Box: $176.99 / Quantity Discounts Available
7/8-9 X 2-1/2 Hex Rod Coupling Nut Steel Zinc 7/8-9X2 1/2 1 1/4A/F HEX COUPL NUTGR5 ZINC [60 PER BOX]
Price per Box: $303.76 / Quantity Discounts Available
1/4-20 X 7/8 Hex Rod Coupling Nut Steel Zinc 1/4-20X7/8 7/16A/F HEX COUPL NUT GR5 ZINC [750 PER BOX]
Price per Box: $351.00 / Quantity Discounts Available
5/16-18 X 7/8 Hex Rod Coupling Nut Steel Zinc 5/16-18X7/8 1/2 A/F HEX COUPLING NUT ZINC [200 PER BOX]
Price per Box: $83.68 / Quantity Discounts Available
1-8 X 2-3/4 Hex Rod Coupling Nut Steel Zinc 1-8X2 3/4 1 3/8A/F HEX COUPLING NUT ZINC [20 PER BOX]
Price per Box: $124.91 / Quantity Discounts Available
5/8-11 X 3-13/16 Hex Rod Coupling Nut Steel Zinc 5/8-11X3-13/16 A/F HEX COUPLING NUT ZINC [60 PER BOX]
Price per Box: $607.27 / Quantity Discounts Available
3/8-16 & 1/4-20 X 1 Reducer Hex Rod Coupling Nut Steel Zinc 3/8-16X1 1/4-20 RD HEX COUP 1/2A/F ZINC [200 PER BOX]
Price per Box: $103.55 / Quantity Discounts Available
10-24 X 3/4 Hex Rod Coupling Nut Steel Zinc 10-24X3/4-5/16 HEX COUPLING NUT ZINC [1000 PER BOX]
Price per Box: $205.13 / Quantity Discounts Available
10-32 X 3/4 Hex Rod Coupling Nut Steel Zinc 10-32X3/4-5/16 HEX COUPLING NUT ZINC [1000 PER BOX]
Price per Box: $276.98 / Quantity Discounts Available
1/4-20 X 7/8 Hex Rod Coupling Nut Steel Zinc 1/4-20X7/8-3/8 HEX COUPLING NUT ZINC [600 PER BOX]
Price per Box: $124.99 / Quantity Discounts Available
1/4-28 X 7/8 Hex Rod Coupling Nut Steel Zinc 1/4-28X7/8-3/8 HEX COUPLING NUT ZINC [600 PER BOX]
Price per Box: $130.24 / Quantity Discounts Available
3/4-10 X 2-1/4 Hex Rod Coupling Nut Steel Zinc 3/4-10X2 1/4-1 HEX COUPLING NUT ZINC [50 PER BOX]
Price per Box: $106.47 / Quantity Discounts Available
3/4-10 X 3 Hex Rod Coupling Nut Steel Zinc 3/4-10X3-1 A/F HEX COUPLING NUT ZINC [50 PER BOX]
Price per Box: $525.40 / Quantity Discounts Available
3/4-16 X 2-1/4 Hex Rod Coupling Nut Steel Zinc 3/4-16X2 1/4-1 HEX COUPLING NUT ZINC [50 PER BOX]
Price per Box: $134.23 / Quantity Discounts Available
4-40 X 7/16 Hex Rod Coupling Nut Steel Zinc 4-40X7/16-5/16 HEX COUPLING NUT ZINC [2500 PER BOX]
Price per Box: $453.00 / Quantity Discounts Available
6-32 X 1/2 Hex Rod Coupling Nut Steel Zinc 6-32X1/2-5/16 HEX COUPLING NUT ZINC [2500 PER BOX]
Price per Box: $475.20 / Quantity Discounts Available
8-32 X 5/8 Hex Rod Coupling Nut Steel Zinc 8-32X5/8-5/16 HEX COUPLING NUT ZINC [1000 PER BOX]
Price per Box: $309.96 / Quantity Discounts Available
   
 
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