1/4-28 x 1/2 Grade 5 Hex Cap Screw Zinc Plated Domestic USA (100)

The self-undercutting

1/4-28 x 5/8 Grade 8 Hex Cap Screw Yellow Zinc Plated Domestic USA (3000)

7/8 L9 SAE Tension Flatwasher Yellow Zinc Plated Domestic USA (30)

5/8-11 x 9 L9 Hex Cap Screw Yellow Zinc Plated Domestic USA (75)

7/16-20 x 6 Grade 5 Hex Cap Screw Zinc Plated Domestic USA (125) Square Trim-Head Self Drilling Siding Screws 410 Stainless Steel 1/4-28 x 1/2 Grade 57 16 20 x 6 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 of