Drill Bit Hammer 5/32X3x6in Robust head for longer life. Various useable lengths. Milled u-flutes with deep cut-spiral for fast dust removal. Diamond ground carbide tip for precise starts to avoid scratching and skating in tile and hard stone. PowerGrip shank for aggressive gripping power. Shank diameter 0.1562; Diameter 5/32"; Flute length 3.0"; Overall length 6.0".