CO-Z 5pcs Hss Cobalt Multiple Hole 50 Sizes Step Drill Bit Set with Aluminum Case

CO-Z 5pcs Hss Cobalt Multiple Hole 50 Sizes Step Drill Bit Set with Aluminum Case

CO-Z step drill bits set replaces 50 individual drill bits in 5 pieces step drill bits, which saves you a lot of trouble and space. Two- fluted design provides faster and smoother cutting. Cobalt steel along with titanium coating ensures this set with outstanding durability and will stay sharp for years to come, perfect to cut holes on sheet metal, aluminum sheets etc. A well-organized box provides users with easy storage and transport, truly a must-have for DIY lovers and HVAC professionals. Care Tips Not compatible with hammer drill. Please do not set drilling speed too high to avoid damages to cutting edge. It is recommended to oil the bit before every use. Please drill a smaller hole to make drilling smoother. The material on which you want to drill should not exceed 0.12 in. in thickness. Advantages of HSS Step Drill Bits Drills holes of various sizes without changing bits. Minimal shocks and almost impossible to snap compared to conventional bits. Smooth hole edges, perfect to drill holes for HVAC jobs. Smoother and rounder holes. Prevents metal scurf from flying around for improved safety. Read more Step Bits Step Bits with Center Punch Spiral Grooved Step Bits with Center Punch Cobalt Step Bit M2 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 Stainless Steel Sheet, iron sheet, aluminum sheet, acrylic board, PVC board, wood board, steel board Steel board, iron sheet, aluminum sheet, acrylic board, PVC board, wood board Iron sheet, aluminum sheet, acrylic board, PVC board, wood board Product Material High Speed Steel High Speed Steel High Speed Steel M35, Cobalt M2 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

Product Features

• Cobalt high speed steel along with the titanium coating ensures extreme durability, will stay new and shiny for years to come.
• Different sized shanks ensure compatibility with 1/4, 3/8 and 1/2 in. chuck sizes.
• Non-walking drill tip provides fast and smooth drills on steel sheets, aluminum sheets, wood board, plastic board etc. (the board must be smaller in thickness than the height of step drill bits).
• Please mark the spot that you are to drill for easier drilling and improved drill bits life.
• All the bits come in a well-organized case for easy transport and storage.

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