9/16-18 x 2 1/2 Grade 8 Hex Cap Screw Plain Domestic USA (25)

#57 Heavy Duty Jobber Drill Bit

5/16-18 x 1 1/4 L9 Hex Cap Screw Yellow Zinc Plated Domestic USA (100)

1 1/8-7 x 3 1/2 Grade 8 Hex Cap Screw Plain Domestic USA (6)

7/8-9 x 7 L9 Hex Cap Screw Yellow Zinc Plated Domestic USA (45)

9/16-18 x 5 Grade 5 Hex Cap Screw Plain Domestic USA (25) Short Arm Hex Keys Alloy - Metric 9/16-18 x 2 1/2 Grade9 16 18 x 5 Grade 5 Hex Cap Screw Plain 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 120,000