5/16-18 x 7/8 Grade 5 Hex Cap Screw Zinc Plated Domestic USA (100)

1/2-13 L9 Hex Nut Alloy Cadmium Yellow and Wax Coated Domestic USA (50)

9/16-12 x 5 Socket Cap Screw Alloy

1 1/8-12 L9 Hex Collar Locknuts Cadmium Yellow & Wax Coated Domestic USA (100)

#20 x 6 High Speed Aircraft Bit Cobalt

7/8-9 x 2 1/4 Grade 5 Hex Cap Screw Zinc Plated Domestic USA (70) SDS Plus eVolution Hammer Drill Bits 5/16-18 x 7/8 Grade 57 8 9 x 2 1 4 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 of