15/32 x 12 High Speed Aircraft Bit Cobalt

3/4-16 x 3 L9 Hex Cap Screw Yellow Zinc Plated Domestic USA (20)

Silicon Bronze Flat Washers are similar to low carbon steel in hardness but offer high resistance to corrosive environments such as sea water

1 1/2-6 x 5 1/2 Socket Cap Screw Alloy

9/16-18 x 2 Grade 5 Hex Cap Screw Zinc Plated Domestic USA (25)

7/8-14 x 2 1/2 Grade 5 Hex Cap Screw Zinc Plated Domestic USA (65) 5/8-11 Flat Socket Cap Screws 18-8 Stainless Steel 15/32 x 12 High Speed7 8 14 x 2 1 2 Grade 5 Hex Cap Screw Zinc Plated Domestic USA (65) . 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