5/16-24 x 3/4 Grade 5 Hex Cap Screw Zinc Plated Domestic USA (1650)

3/4-16 x 2 Grade 8 Hex Cap Screw Plain Domestic USA (100)

1/2-13 x 5 L9 Hex Cap Screw Yellow Zinc Plated Domestic USA (25)

Ideal for securing clips used in standing seam roofing

Diamond point design cuts and clears debris during installation for better thread engagement

5/16-24 x 5 1/2 Grade 5 Hex Cap Screw Zinc Plated Domestic USA (250) L9 SAE Tension Flatwashers Yellow Zinc Plated - Domestic USA 5/16-24 x 3/4 Grade 55 16 24 x 5 1 2 Grade 5 Hex Cap Screw Zinc Plated Domestic USA (250) . 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