Lichamp Unibit Step Drill Bit for Metal, Genuine HSS M2 Drill Stepper Bit for Hard Metal Heavy Duty, 19 Sizes from 3/16" to 1-3/8", Dual Straight Grooved with Hex Drive, A4BK

1 ) One bit for 19 hole sizes 3/16", 9/32", 3/8", 7/16", 17/32", 5/8", 11/16", 25/32", 7/8", 29/32". 31/32", 1", 1-1/16", 1-1/8", 1-5/32", 1-7/32", 1-9/32", 1-5/16", 1-3/8", so you can drill up holes with different diameters, saving your time and efforts to change bits.
2 ) Genuine M2 high speed steel 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.
3 ) 19 size 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.
4 ) 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 etc.
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.

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