1/4-28 x 3 Grade 5 Hex Cap Screw Plain Domestic USA (100)

1 1/2 Flat Washer SS 316 (A4)

3/4-10 x 9 Grade 8 Hex Cap Screw Yellow Zinc Plated

5/16-18 x 1/2 Grade 8 Hex Cap Screw Plain Domestic USA (100)

1-12 x 2 1/4 Socket Cap Screw Alloy

3/8-16 x 4 1/2 Grade 5 Hex Cap Screw Zinc Plated Domestic USA (225) M16-2.00 Flat Socket Cap Screws DIN 7991 18-8 Stainless Steel (A2) 1/4-28 x 3 Grade 53 8 16 x 4 1 2 Grade 5 Hex Cap Screw Zinc Plated Domestic USA (225) . 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