5/8-11 x 4 1/4 Socket Cap Screw Alloy

3/4-16 x 2 1/2 Grade 5 Hex Cap Screw Plain Domestic USA (25)

5/8 L9 SAE Tension Flatwasher Yellow Zinc Plated Domestic USA (1050)

1 1/4-7 x 3 Flat Socket Cap Screw Alloy

1-8 x 2 1/2 Socket Set Screw Cup Point 18-8 (A2) Stainless Steel

1/2-13 x 1 1/4 Grade 5 Hex Cap Screw Zinc Plated Domestic USA (50) 5/16-18 Hex Tap Bolts Silicon Bronze 5/8-11 x 4 1/4 Socket1 2 13 x 1 1 4 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