1/4 x 3 Mushroom Spike Zinc Plated (100)

1/4-20 x 1 3/4 Grade 8 Hex Cap Screw Plain Domestic USA (100)

Hex nut with a nylon-filled collar at its back end

6-20 x 1 1/8 Phillips Drywall Self Drill Screw Zinc Plated (10000)

3/4-10 x 7 Simpson Wedge Anchor 304 SS (10)

5/16-24 x 3 Grade 5 Hex Cap Screw Plain Domestic USA (500) 7/8-14 Grade 5 Hex Cap Screws Zinc Plated 1/4 x 3 Mushroom Spike5 16 24 x 3 Grade 5 Hex Cap Screw Plain Domestic USA (500). 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 120,000