Lichamp Step Drill Bit Set for Metal Sheet Heavy Duty, 4-Piece Genuine M2 HSS Step Up Down Drill Bits Stepper Unibit for Steel Hole, 28 Sizes from 1/8 to 1/2 inches
1 ) Genuine M2 high speed steel with the black coating ensures durability and sharpness, reduces the friction, runs cooler, performs well in heat, corrosion and rust resistance, for longer cutting edge life even at extreme temperatures.
2 ) 28 size in 3 Multiple Hole Stepped up Bits, have many steps which contain multiple diameters, convenient to drill different hole size by using a step drill rather than many drills, ideal for DIY projects at home, garden, workshop etc.
3 ) The split point tip is at 118 degrees to increase the wear resistance. The two flute design provides a smoother cutting, allows the material particles escape easily for a much more clean drilling operation, can be used on electrical drill, cordless drill, or high impact drill press machine.
4 ) Come with a well-organized pouch for easy and safe storage. A automatic center punch for marking the drill position, delivers an automatic, high-impact, spring-loaded strike when pressed against surface, adjustable cap regulates striking force.
5 ) If you aren't satisfied with your purchase, contact us through email at any time you want, and we'll issue you a refund, to ensure you have a nice shopping experience in our store.