The DEWALT 5-Piece Rock Carbide SDS+ Hammer Bit Set features an assortment of hammer bits to be used with electric or cordless rotary hammers. These bits are durable and feature an elongated helix. These bits are rock carbide tipped for long life and durability. FEATURES For use with electric or cordless rotary hammers For drilling holes in poured concrete and other masonry up to 1/2 in. Dia Used by mechanical contractors for drop-in anchors to hold threaded rod for water and waste lines, cable tray and HVAC ducts Used by concrete contractors for spike and nail-in anchors for concrete forms Used by glaziers for spike anchors to hold window and door frames Increased steel to help prevent breakage Rock carbide tip for longer bit life Elongated 4 flute helix for faster material removal Includes: 5 bits 1/4 in. (2 in. & 4 in. flutes ), 3/16 in., 3/8 in. & 1/2 in.
