1/2 x 7 Cotter Pin Plain Steel

1 1/2-12 x 4 L9 Hex Cap Screw Yellow Zinc Plated Domestic USA (24)

#17 Heavy Duty Jobber Drill Bit

9/32 x 12 High Speed Aircraft Bit Cobalt

1/2-13 x 4 1/2 Grade 5 Hex Cap Screw Plain Domestic USA (25)

9/16-18 x 5 Grade 5 Hex Cap Screw Zinc Plated Domestic USA (100) 5/16-18 L9 Hex Cap Screws Yellow Zinc Plated - Domestic USA 1/2 x 7 Cotter Pin9 16 18 x 5 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 of