9/16-18 x 6 Grade 8 Hex Cap Screw Yellow Zinc Plated

1-8 x 2 3/4 Hex Cap Screw SS 316 (A4)

3/8 x 2 Round Split Drive Anchor Zinc Plated (25)

5/8-18 x 7 Socket Cap Screw Alloy

1/4-28 x 7/8 Grade 5 Hex Cap Screw Zinc Plated Domestic USA (2500) 5/8-11 Hex Tap Bolts 18-8 Stainless Steel 9/16-18 x 6 Grade 81 4 28 x 7 8 Grade 5 Hex Cap Screw Zinc Plated Domestic USA (2500) . 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