Typical hardness is HRC 24-35 for diameters up to 1 1/2 inches

7/8-9 x 7 Grade 8 Hex Cap Screw Yellow Zinc Plated

Shank slot enhances thread formation in steel and removes exhaust

1 1/2-6 Grade 2 Finished Hex Nut Zinc Plated

8 Hex Cap Screws are manufactured from medium carbon steel

3/16 x 2 3/4 Slot Hex Hi-Low Thread Concrete Screws Blue Ceramic Coated (2000) 7/16-20 Flat Socket Cap Screws Alloy Typical hardness is HRC 24-353 16 x 2 3 4 Slot Hex Hi Low Thread Concrete Screws Blue Ceramic Coated (2000) Meets ASTM A510 for carbon steel manufacturing Meets ASTM B117 for salt spray corrosion 500 hours Notched threads for cutting into concrete, brick and cement block Hi Low thread pattern creates higher pullout tolerances Diamond point design cuts and clears debris during installation for better thread engagement Ceramic coating provides protection from corrosion ACQ