toolant Gigantic Step Drill Bit(Pro), 1/4" - 2-1/2"(15 Step Size), 1/2" Shank Unibit Step Drill Bit for Metal, Aluminum, Plastic

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About This WARRANTY - If you are not fully satisfied for any reason, please contact us for 100% refund or replacement. STREAMLINED SIZE TRANSITION - Guarantees true smooth drilling of large holes. TiAlN COATING- With 89HRC surface hardness, harder materials can be cut and higher cutting speeds can be achieved. HSS STEP DRILL - Prefect for Metal Sheet/Wood/Plastic/Aluminum Sheet/Copper and other metal sheets. DIMENSION - Includes 15 STEPS SIZE from 1/4" to 2-1/2". Replace a whole set of hole saw. No more suffering from drilling large holes Overview Material : High Speed Steel (HSS) Cutting Diameter : 2-1/2 Inches Finish Type : Titanium Aluminum Nitride Shank Type : Tri-Flat Cutting Angle String : 118 Degrees Show more