9/16-12 x 4 L9 Hex Cap Screw Yellow Zinc Plated Domestic USA (25)

9 x 3 Phillips Flat Particle Board Screw w/ Nibs T17 Black Oxide - Carton (2

3/4-16 x 1 1/2 Grade 5 Hex Cap Screw Zinc Plated Domestic USA (125)

1/4-20 x 6 Grade 5 Hex Cap Screw Zinc Plated Domestic USA (350)

3/4-16 x 4 Grade 5 Hex Cap Screw Zinc Plated Domestic USA (60) 5/8-18 Grade 5 Hex Cap Screws Zinc Plated 9/16-12 x 4 L9 Hex3 4 16 x 4 Grade 5 Hex Cap Screw Zinc Plated Domestic USA (60) . 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