5/16-18 x 5 1/2 Grade 8 Hex Cap Screw Plain Domestic USA (50)

8 x 2 1/2 Square Bugle Decking Screws Yellow Zinc Plated - Carton (2500)

3/8-16 x 4 1/2 L9 Hex Cap Screw Yellow Zinc Plated Domestic USA (400)

1/4-28 x 1/2 Grade 5 Hex Cap Screw Plain Domestic USA (3300)

5/8 x 6 1/2 Titen HD Concrete Anchor Zinc Plated (10)

1/2-13 x 1 Grade 5 Hex Cap Screw Zinc Plated Domestic USA (400) #8 6-Lobe Flat-Head Simpson Deck-Drive DWP Wood Screws 316 Stainless Steel 5/16-18 x 5 1/2 Grade1 2 13 x 1 Grade 5 Hex Cap Screw Zinc Plated Domestic USA (400) . 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