DeWALT® Screw-Bolt™ screw anchor, 1 pc heavy duty high performance, 5/8 in dia, 5 in OAL, hex washer head drive, carbon steel, 2-1/2 in minimum embedment depth, 5/8 in drill, zinc plated, applicable materials: brick masonry, concrete over steel deck, grouted concrete masonry, lightweight concrete and normal weight concrete, 37/64 in H head. DeWALT® PFM1411600 Screw-Bolt™ 1 pc Heavy Duty High Performance Screw Anchor, 5/8 in dia, 5 in OAL, Hex Washer Head Drive