3/8-24 x 5 Grade 5 Hex Cap Screw Zinc Plated Domestic USA (50)

1/4-20 x 2 1/4 Grade 8 Hex Cap Screw Yellow Zinc Plated Domestic USA (1000)

1008-1010 for sizes up to 1 inch (cold-formed) and 1045 steel for sizes over 1 inch (hot-formed)

1-8 x 6 Hex Cap Screw SS 316 (A4)

Meets ASTM C1002 for attaching gypsum board to wood studs

3/4-16 x 3 1/4 Grade 5 Hex Cap Screw Zinc Plated Domestic USA (25) 7/8-9 Grade 5 Hex Cap Screws Zinc Plated - Domestic USA 3/8-24 x 5 Grade 53 4 16 x 3 1 4 Grade 5 Hex Cap Screw Zinc Plated Domestic USA (25) . 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