1/2-13 x 4 Grade 5 Hex Cap Screw Plain Domestic USA (150)

5/8-18 x 4 Socket Set Screw Cup Point Alloy

8 x 1 1/2 Simpson Truss-Head Wood Screws - Square Drive 305 SS - Box (100)

1-8 x 1 1/2 Socket Set Screw Cup Point Alloy

5/8-18 x 4 Grade 5 Hex Cap Screw Plain Domestic USA (90)

1/4-28 x 6 Grade 5 Hex Cap Screw Zinc Plated Domestic USA (50) 3/4-10 Socket Cap Screws Alloy 1/2-13 x 4 Grade 51 4 28 x 6 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