Description
7 8 9 x 9 Grade 8 Hex Cap Screw Yellow Zinc Plated 3 4 10 Grade 8 Hex Cap Screws Yellow Zinc Plated Grade 5 Hex Cap Screws Grade 5 Hex Cap Screws are manufactured from medium carbon steel Typical hardness on diameters 1 4 to 2 1 2 inches is HRC 33 39