quenched and tempered

7/16-14 x 3 3/4 Grade 5 Hex Cap Screw Zinc Plated Domestic USA (25)

3/8-16 x 2 1/4 Grade 5 Hex Cap Screw Zinc Plated Domestic USA (100)

1/4-20 x 3 1/4 Grade 5 Hex Cap Screw Plain Domestic USA (50)

9/16-18 x 1 Socket Set Screw Cup Point Alloy

9/16-12 x 3 Grade 5 Hex Cap Screw Zinc Plated Domestic USA (150) 5/8-11 Hex Cap Screws 316 Stainless Steel quenched and tempered9 16 12 x 3 Grade 5 Hex Cap Screw Zinc Plated Domestic USA (150) . 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