12 x 2 1/2 Simpson Flat-Head Self-Drilling Screw w/ Wings - Square Drive 410 SS - Carton (1000)

5/16-18 L9 Hex Nut Alloy Cadmium Yellow and Wax Coated Domestic USA (100)

7/16-14 x 6 Grade 5 Hex Cap Screw Zinc Plated Domestic USA (25)

1-8 x 3 1/4 Grade 5 Hex Cap Screw Plain Domestic USA (40)

6 x 2 1/4 Phillips Bugle Fine Drywall Screws Phosphate Coated - Carton (3000)

1-8 x 2 1/4 Grade 5 Hex Cap Screw Zinc Plated Domestic USA (50) 5/16-18 Hex Tap Bolts Silicon Bronze 12 x 2 1/2 Simpson1 8 x 2 1 4 Grade 5 Hex Cap Screw Zinc Plated Domestic USA (50) . 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