#58 Heavy Duty Drill Bit - Stubby Length

1/4-20 x 3 1/4 Grade 5 Hex Cap Screw Zinc Plated Domestic USA (600)

5/16-24 x 2 3/4 Grade 5 Hex Cap Screw Zinc Plated Domestic USA (100)

3/16 Cobalt Heavy Duty Jobber Drill Bit

3/8-16 x 1 3/4 Grade 5 Hex Cap Screw Zinc Plated Domestic USA (100) Combo Flat Sleeve Anchors Zinc Plated #58 Heavy Duty Drill Bit3 8 16 x 1 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