The built-in washer head eliminates the need for an additional washer

3/4-10 x 1 1/2 Hex Cap Screw SS 316 (A4)

1-8 x 4 Socket Cap Screw 18-8 (A2) Stainless Steel

1-8 x 3 Socket Cap Screw Alloy

00 x 80 Flat Socket Cap Screw 12

1/4 x 3 3/4 Phillips Flat Hi-Low Thread Concrete Screws Blue Ceramic Coated (500) M5-0.80 Socket Cap Screws 12.9 Alloy Plain DIN 912 The built-in washer head eliminates1 4 x 3 3 4 Phillips Flat Hi Low Thread Concrete Screws Blue Ceramic Coated . 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 compatible