9/16 x 6 Reduced Shank Drill Bit (1/2 Shank)

#23 x 6 High Speed Aircraft Bit Cobalt

5/8-11 x 12 A307 Grade A Carriage Bolt HDG

5/16-18 x 1 1/2 Grade 8 Hex Cap Screw Plain Domestic USA (100)

7/16-14 x 6 Grade 5 Hex Cap Screw Zinc Plated Domestic USA (125)

5/8-11 x 5 Grade 5 Hex Cap Screw Zinc Plated Domestic USA (75) 1 1/2-6 L9 Hex Cap Screws Yellow Zinc Plated - Domestic USA 9/16 x 6 Reduced Shank5 8 11 x 5 Grade 5 Hex Cap Screw Zinc Plated Domestic USA (75) . 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