7/8-14 x 3 1/2 L9 Hex Cap Screw Yellow Zinc Plated Domestic USA (65)

5/8-18 x 7 1/2 Hex Cap Screw SS 18-8 (A2)

1 1/4-12 L9 Hex Collar Locknuts Cadmium Yellow & Wax Coated Domestic USA (80)

9/16-18 x 2 1/2 Grade 5 Hex Cap Screw Zinc Plated Domestic USA (175)

1/2 x 6 1/2 Mushroom Spike Zinc Plated (25)

7/8-9 x 5 Grade 5 Hex Cap Screw Zinc Plated Domestic USA (15) 5/8-11 Grade 8 Hex Cap Screws Plain - Domestic USA 7/8-14 x 3 1/2 L97 8 9 x 5 Grade 5 Hex Cap Screw Zinc Plated Domestic USA (15) . 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