quenched and tempered

11/64 x 12 High Speed Aircraft Bit Cobalt

Coated - Carton (2

1 1/8-12 L9 Hex Nut Alloy Cadmium Yellow and Wax Coated Domestic USA (8)

1-8 x 8 1/2 Socket Cap Screw Alloy

3/8-16 x 1 1/4 Grade 5 Hex Cap Screw Zinc Plated Domestic USA (800) 5/8-11 Button Socket Cap Screws Alloy quenched and tempered3 8 16 x 1 1 4 Grade 5 Hex Cap Screw Zinc Plated Domestic USA (800) . 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