1/4 Cobalt Heavy Duty Jobber Drill Bit

Fasten wood

1/2-13 x 9 Socket Cap Screw Alloy

5/8-11 x 3 1/2 Socket Cap Screw Zinc

5/8-11 x 3 Grade 5 Hex Cap Screw Plain Domestic USA (25)

5/16-18 x 1 1/4 Grade 5 Hex Cap Screw Zinc Plated Domestic USA (100) 9/16-12 Grade 8 Hex Cap Screws Plain - Domestic USA 1/4 Cobalt Heavy Duty Jobber5 16 18 x 1 1 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