1/4-20 x 3 Grade 5 Hex Cap Screw Zinc Plated Domestic USA (100)

1/2-20 x 5 Grade 8 Hex Cap Screw Plain Domestic USA (125)

3/8-24 x 3 Grade 5 Hex Cap Screw Zinc Plated Domestic USA (325)

#1 square recess drive and trim head with a Type 17 tip for faster starts and to resist splitting in hardwoods

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

1/2-20 x 1 Grade 5 Hex Cap Screw Zinc Plated Domestic USA (50) 1/2-20 Socket Set Screws Cup Point Alloy 1/4-20 x 3 Grade 51 2 20 x 1 Grade 5 Hex Cap Screw Zinc Plated Domestic USA (50) . 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