5/16-18 x 5 1/2 Grade 5 Hex Cap Screw Plain Domestic USA (50)

1/2-20 x 1 Grade 5 Hex Cap Screw Plain Domestic USA (400)

1/2-13 x 6 Hex Sleeve Anchor Zinc Plated (20)

3/4-10 Drop-In Anchor Zinc Plated (20)

Coarse threads run approximately 2/3 up the shank to help draw the decking tightly to the substrate

5/16-18 x 2 3/4 Grade 5 Hex Cap Screw Zinc Plated Domestic USA (100) 3/8 Cotter Pins 18-8 Stainless Steel 5/16-18 x 5 1/2 Grade5 16 18 x 2 3 4 Grade 5 Hex Cap Screw Zinc Plated Domestic USA (100) . 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