4-PIECE TIN COATED M35 SPIRAL STEP DRILL SET

4-PIECE TIN COATED M35 SPIRAL STEP DRILL SET

Cut up to 4x faster than standard two fulted step drills, Premium M35 cobalt construction increases tool stenght and improves performance in difficult to drill materials,Titanium nitride (TiN) coating significantly improves durability, Impact rated for high torque applications, Self-start dual cutting split point privides instant engagement and minimizes drill walking, Spiral continous cutting action allows for faster and cleaner holes, 1/4" quick-change hex shank for quick change and no slip drilling. Set includes #1 (1/8"-1/2"), #4 (3/16"-7/8"),#9 (1/4"-1-1/8") and #6 (1/4-1-3/8").