5/8-18 x 3 Socket Cap Screw Alloy

5/16-24 x 1 Grade 5 Hex Cap Screw Plain Domestic USA (1400)

7/8-14 x 1 1/2 Hex Cap Screw SS 316 (A4)

5/8-11 x 4 1/2 Grade 8 Hex Cap Screw Plain Domestic USA (25)

1/4-20 x 5 1/2 Grade 5 Hex Cap Screw Zinc Plated Domestic USA (50) M33-3.50 Socket Cap Screws 12.9 Alloy Plain DIN 912 5/8-18 x 3 Socket Cap1 4 20 x 5 1 2 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