7/16-20 x 5 1/2 Grade 5 Hex Cap Screw Plain Domestic USA (150)

1-14 x 3 1/2 L9 Hex Cap Screw Yellow Zinc Plated Domestic USA (10)

#55 Heavy Duty Jobber Drill Bit

2 1/2 F436 Flat Washer HDG

3/4-16 x 1 3/4 Socket Cap Screw Alloy

7/16-14 x 2 1/2 Grade 5 Hex Cap Screw Zinc Plated Domestic USA (50) M20-2.50 Socket Cap Screws 12.9 Alloy Plain DIN 912 7/16-20 x 5 1/2 Grade7 16 14 x 2 1 2 Grade 5 Hex Cap Screw Zinc Plated Domestic USA (50) . 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