9/16-12 x 2 1/2 Grade 8 Hex Cap Screw Plain Domestic USA (175)

5/8-11 L9 Hex Collar Locknuts Cadmium Yellow & Wax Coated Domestic USA (600)

4-40 x 1/4 Phillips Flat 82 Undercut Machine Screw Black Zinc Plated (10

1-14 x 3 1/2 L9 Hex Cap Screw Yellow Zinc Plated Domestic USA (60)

1/4 Heavy Duty Drill Bit - Stubby Length

9/16-12 x 4 Grade 5 Hex Cap Screw Zinc Plated Domestic USA (25) 6-Lobe Bugle-Head Decking Screws 305 Stainless Steel 9/16-12 x 2 1/2 Grade9 16 12 x 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 of