About This 【Capability & Durability】 HSS construction enables drill bits of this impact drill bit set with high capability, durability and functional ability. The premium titanium finish improves surface hardness, rust and wear resistance. Durable titanium hex drill bit set that penetrates hard materials with ease and lasts a long time. 【Withstand Heavy Impact & Quick Change】 The 1/4 inch hex shank enables the titanium drill bit set to handle high torque transmissions and heavy impact. A dependable impact drill bit set to get the job done. These hex drill bits fit into quick change chuck system for rapid change of cutting tools. 【Fast Drilling】 The 135-degree split point tip prevents the titanium impact drill bit from walking for easy starts on contact. Precision fully ground parabolic flute form helps hex drill bits produce rapid chip removal to decrease friction and heat build-up. Durable impact hex shank drill bit set with sharp cutting edges that cut like butter on wood/metal. 【Get the Job Done】 The impact driver drill bit set combines the high speed and durability that electricians, plumbers and HVAC pros will appreciate. Great quick change drill bits for metal, wood, veneers, plasterboard, PVC, aluminum, copper and other soft metal. Great drill bits sets that work well for home DIY, general building, engineering project around the house. 【Nice Storage Case】 This 21PCS impact drill bit set comes in a tough plastic case with size index for easy storage. Sizes are also clearly marked on these quick change hex drill bits for easy identification. Sizes include: 1/16" x 2, 5/64" x 2, 3/32" x 2, 7/64" x 2, 1/8" x 2, 9/64", 5/32", 11/64", 3/16", 13/64", 7/32", 15/64", 1/4", 5/16", 3/8", 1/2". Overview Material : High Speed Steel (HSS) Cutting Diameter : 0.25 Inches Finish Type : Titanium Shank Type : Hex Cutting Angle String : 135 Degrees
