1/4-28 x 1 Grade 8 Hex Cap Screw Plain Domestic USA (100)

9/16-12 x 1 Grade 8 Hex Cap Screw Plain Domestic USA (350)

5/8-18 x 5 1/2 L9 Hex Cap Screw Yellow Zinc Plated Domestic USA (100)

5/8-18 x 2 1/4 L9 Hex Cap Screw Yellow Zinc Plated Domestic USA (200)

7/16-14 x 1 Grade 5 Hex Cap Screw Zinc Plated Domestic USA (100) M16-2.00 Socket Cap Screws 12.9 DIN 912 Zinc Plated 1/4-28 x 1 Grade 87 16 14 x 1 Grade 5 Hex Cap Screw Zinc Plated Domestic USA (100) . 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