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3/8-24 x 4 Grade 5 Hex Cap Screw Zinc Plated Domestic USA (250)
3/8-16 x 2 1/2 Grade 5 Hex Cap Screw Zinc Plated Domestic USA (100)
1-14 x 5 Grade 8 Hex Cap Screw Plain Domestic USA (10)
3/4-16 x 5 1/2 L9 Hex Cap Screw Yellow Zinc Plated Domestic USA (65)
3/4-16 x 2 Grade 5 Hex Cap Screw Plain Domestic USA (25)
7/16-20 x 3 3/4 Grade 5 Hex Cap Screw Zinc Plated Domestic USA (25) 3/8-16 Grade 8 Hex Cap Screws Plain - Domestic USA 3/8-24 x 4 Grade 57 16 20 x 3 3 4 Grade 5 Hex Cap Screw Zinc Plated Domestic USA (25) . Grade 5 Hex Cap Screws are manufactured in the USA from medium carbon steel. Our Grade 5 material meets or exceeds SAE J429 Grade 5 specifications. All products are manufactured with rolled threads. Typical hardness on diameters 1 4 to 1 inch is HRC 25 34. On diameters over 1 inch to 1 1 2 hardness will range from HRC 19 30. Tensile strength for diameters 1 4 to 1 inch is a minimum