International products have separate terms, are sold from abroad and may differ from local products, including fit, age ratings, and language of product, labeling or instructions. The new speed start tip prevents bit walking and allows faster penetration. With laser etched markings you will always know your hole sizes...no guess work unibit bit drill step for metal impact stepper set bits duty hard heavy inch steel Lichamp Unibit Step Drill Bit for Metal, Genuine M2 Impact Drill Stepper Bit for Hard Metal Heavy Duty, 19 Sizes from 3/16 to 1-3/8, Dual Straight Grooved with Hex Drive, A4BK Unibit Step Drill Bit For Metal Cone Cutter Drill Bit Lichamp Unibit Step Drill Bit For Metal, Genuine Impact Drill Stepper 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. Lichamp Step Drill Bit Set for Metal Sheet Heavy Duty, 5-Piece HSS Step Up Down Drill Bits Stepper Unibit for Steel Hole, 50 Sizes from 1/8 to 1-3/8 inches, B105RD 4 ) The split point tip is at 118 degrees to increase the wear resistance. 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.
