5/16-18 x 2 1/2 Grade 5 Hex Cap Screw Zinc Plated Domestic USA (100)

Conform to ASTM F879

5/16-24 x 4 Grade 5 Hex Cap Screw Zinc Plated Domestic USA (50)

1-14 L9 Hex Nut Alloy Cadmium Yellow and Wax Coated Domestic USA (150)

1-8 x 4 3/4 Socket Cap Screw Alloy

5/16-18 x 7/8 Grade 5 Hex Cap Screw Zinc Plated Domestic USA (100) M20-2.50 Socket Cap Screws DIN 912 18-8 Stainless Steel (A2) 5/16-18 x 2 1/2 Grade5 16 18 x 7 8 Grade 5 Hex Cap Screw Zinc Plated Domestic USA (100) . 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