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

29/64 Heavy Duty Drill Bit - Stubby Length

1 1/4-7 x 9 Simpson Wedge Anchor 316 SS (5)

#6 x 6 High Speed Aircraft Bit Cobalt

Width Across Flats:

1/4-28 x 4 Grade 5 Hex Cap Screw Zinc Plated Domestic USA (450) 3/8-24 Grade 8 Hex Cap Screws Plain - Domestic USA 5/8 L9 USS Tension Flatwasher1 4 28 x 4 Grade 5 Hex Cap Screw Zinc Plated Domestic USA (450) . 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