Description
1 4 20 x 4 1 2 Grade 8 Hex Cap Screw Yellow Zinc Plated Domestic USA (50) 7 16 14 L9 Hex Cap Screws Yellow Zinc Plated Domestic USA 31 64 x 12 High Speed 31 64 x 12 High Speed Aircraft Bit Cobalt Typical hardness is HRC 24 35 for diameters up to 1 1 2 inches