5/8 L9 USS Tension Flatwasher Yellow Zinc Plated Domestic USA (625)

7/16-20 x 1 L9 Hex Cap Screw Yellow Zinc Plated Domestic USA (825)

1/4-20 x 3 1/4 Grade 8 Hex Cap Screw Yellow Zinc Plated Domestic USA (600)

15/32 x 12 High Speed Long Boy

3/4-10 x 3 1/2 Grade 5 Hex Cap Screw Zinc Plated Domestic USA (70) M27-3.00 Socket Cap Screws 12.9 Alloy Plain DIN 912 5/8 L9 USS Tension Flatwasher3 4 10 x 3 1 2 Grade 5 Hex Cap Screw Zinc Plated Domestic USA (70) . 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