CO-Z HSS 5PCS Titanium Step Drill Bit Set with Automatic Center Punch, 50 Sizes in 5 High Speed Steel Drill Bits Set for Sheet Metal with Aluminum Case, Multiple Hole Stepped Up Bits for DIY Lovers
Maintenance Tips 1. Not compatible with hammer drill. 2. Please do not set drilling speed too high to avoid damages to cutting edge. 3. It is recommended to oil the bit before every use. 4. Please drill a smaller hole to make drilling smoother. 5. The metal sheet on which you want to drill should not exceed 0.38 in. in thickness. Features of CO-Z Titanium Step Bits 1. Drills holes of various sizes without changing bits. 2. Minimal shocks and almost impossible to snap compared to conventional bits. 3. Smooth hole edges, perfect to drill holes for HVAC jobs. 4. Smoother and rounder holes. 5. Prevents metal scurf from flying around for improved safety. Read more Convenient & Accurate Laser-engraved reference marks on each bit offer superb convenience and accuracy, ideal for drilling large and small-diameter holes in metal and plastic. For high-efficient drilling, thickness of sheet metal shall be less than that of each step. Universal Compatibility Compatible with 1/4, 3/8, 1/2 electric drills or bench drills, but only work for sheet metal, aluminum or plastic. Sleek & Accurate Drilling X-type openings design to facilitate the removal of cutting waste when drilling, preventing iron chips or sawdust from scattering and ensuring sleek & accurate drilling. Read more Step Bits with Center Punch Step Bits Spiral Grooved Step Bits with Center Punch M2 Step Bit Cobalt Step Bit Large Step Bit Main Features Drill holes of various diameters at once. Drill holes of various diameters at once. Drill holes of various diameters at once, smoother hole drilling. Improved hole drilling efficiency and lengthened service time. Improved hole drilling efficiency and lengthened service time. Drill holes of larger diameters. Compatible Materials Iron sheet, aluminum sheet, acrylic board, PVC board, wood board. Iron sheet, aluminum sheet, acrylic board, PVC board, wood board. Iron sheet, aluminum sheet, acrylic board, PVC board, wood board. Steel board, iron sheet, aluminum sheet, acrylic board, PVC board, wood board. Stainless steel sheet, iron sheet, aluminum sheet, acrylic board, PVC board, wood board, steel board. Iron sheet, aluminum sheet, acrylic board, PVC board, wood board. Product Material High Speed Steel High Speed Steel High Speed Steel M2 High Speed Steel M35 High Speed Steel, Cobalt High Speed Steel Measurement System Inch Inch Inch Inch Inch Inch Compatible Drill Diameter 1/2,1/4,3/8 1/2,1/4,3/8 1/2,1/4,3/8 1/2,1/4,3/8 1/2,1/4,3/8 1/2,3/8
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