Proof load - 85

3/8-24 x 3 Grade 8 Hex Cap Screw Plain Domestic USA (325)

11/16 x 12 High Speed Long Boy (1/2" Shank)

1/4 x 2 1/2 Mushroom Spike 316 SS (100)

1 1/2-6 x 7 Socket Cap Screw Alloy

5/8-11 x 3 1/2 Grade 5 Hex Cap Screw Plain Domestic USA (100) 1-8 L9 Hex Cap Screws Yellow Zinc Plated - Domestic USA Proof load - 855 8 11 x 3 1 2 Grade 5 Hex Cap Screw Plain 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 of