1/4 x 1 1/2 Round Split Drive Anchor Zinc Plated (100)

1 1/8-7 x 7 Socket Cap Screw Alloy

3/8-16 x 5 Phillips Flat Machine Screw 18-8 SS

1-14 x 6 1/2 Grade 8 Hex Cap Screw Yellow Zinc Plated

1 1/2-6 x 3 Socket Set Screw Cup Point Alloy

1/2-13 x 4 1/2 Grade 5 Hex Cap Screw Zinc Plated Domestic USA (125) 1-8 Grade 5 Hex Cap Screws Zinc Plated 1/4 x 1 1/2 Round1 2 13 x 4 1 2 Grade 5 Hex Cap Screw Zinc Plated Domestic USA (125) . 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