7/16-20 x 3 L9 Hex Cap Screw Yellow Zinc Plated Domestic USA (50)

1/2-20 x 2 3/4 Grade 8 Hex Cap Screw Plain Domestic USA (200)

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1/4-20 x 5 1/2 Grade 5 Hex Cap Screw Plain Domestic USA (50)

5/8-11 x 6 Socket Cap Screw Alloy

7/16-20 x 3/4 Grade 5 Hex Cap Screw Zinc Plated Domestic USA (100) Phillips Flat Particle Board Screws T17 Black Oxide 7/16-20 x 3 L9 Hex7 16 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