5/16-18 x 2 1/2 L9 Hex Cap Screw Yellow Zinc Plated Domestic USA (800)

50 x 40 Socket Cap Screw 12

Coated - Carton (8

#12 x 6 High Speed Aircraft Bit Cobalt

1/4-20 x 3 Grade 5 Hex Cap Screw Plain Domestic USA (750) 1/2-13 Grade 8 Hex Cap Screws Plain - Domestic USA 5/16-18 x 2 1/2 L91 4 20 x 3 Grade 5 Hex Cap Screw Plain Domestic USA (750). 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 120,000