Our hex tap bolts meet our exceed ASTM A307 Grade A

50 x 180 Flat Socket Cap Screw 12

5/8-11 x 1 1/2 Grade 8 Hex Cap Screw Plain Domestic USA (25)

1 1/4-12 x 4 1/2 L9 Hex Cap Screw Yellow Zinc Plated Domestic USA (8)

9/16-12 x 1 1/2 Grade 5 Hex Cap Screw Zinc Plated Domestic USA (25) 3/4-10 Flat Socket Cap Screws 18-8 Stainless Steel Our hex tap bolts meet9 16 12 x 1 1 2 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