1/2-13 x 4 1/2 Socket Set Screw Cup Point Alloy

1-8 x 3 1/4 Socket Cap Screw Alloy

1-8 x 5 Hex Cap Screw SS 18-8 (A2)

They install quickly

On diameters over 1 inch to 1 1/2 hardness will range from HRC 19-30

1/4 x 1 1/4 Slotted Hex Hi-Low Thread Concrete Screws Blue Ceramic Coated (3000) Phillips Flat Particle Board Screws T17 Zinc Plated 1/2-13 x 4 1/2 Socket1 4 x 1 1 4 Slotted Hex Hi Low Thread Concrete Screws Blue Ceramic Coated (3000) 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