10 x 3 Simpson Bugle-Head Self-Drilling Screw - Square Drive 410 SS - Carton (1500)

1/4 x 2 1/2 Round Split Drive Anchor Zinc Plated (100)

1-12 x 2 1/2 Socket Cap Screw Alloy

1 1/4-7 x 9 Grade 8 Hex Cap Screw Plain Domestic USA (2)

1/2-20 x 3 1/2 L9 Hex Cap Screw Yellow Zinc Plated Domestic USA (25)

1/4-20 x 3/4 Grade 5 Hex Cap Screw Zinc Plated Domestic USA (100) 1/2-20 Grade 8 Hex Cap Screws Plain - Domestic USA 10 x 3 Simpson Bugle-Head1 4 20 x 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 of