CK Tools Fast4Nails Wood Drill Bits - CK Tools T2946-20, Fast4Nails Wood Drill Bit 20 mm x 120 mm - Our toughest fluted bits yet has been manufactured with HSS cutting blades for greater strike resistance when drilling through nail embedded woodPremium HSS Cutting facesHigher strike resistance for clean and accurate holesThreaded screw tipFaster drilling speed and greater pull throughFour flute designRapid removal of wood chips and debris 6.35mm Hex ShankSecure & convenient fitment in impact and combi drills Black Oxide coatingProvides greater durability and protection from corrosionCompact Design120mm length conforms to "Stubby" standardsSize: 20 x 120 mm CK Tools T2946-20 Fast4Nails Wood Drill Bit 20 mm x 120 mm