Step Drill Bit Stage Drill LB642G LOBSTER

Drilling, pilot hole expansion, modification, chamfering can be done with 1 drill on a range of diameters.Cobalt high-speed steel provides good sharpness and life.The blade is subjected to special processing and proprietary polishing, so it has low resistance when used and has excellent sharpness and chip discharge.The drill does not slip easily and has excellent grip on the work materials so it does not require center punching.Work material: Iron plate, wood, plastic, stainless steel, etc.(Do not use on heated metal plates.)Step Width (mm):3Number of Stages (stage):15Shank Diameter (mm):10Drilling Dimension (?3mm):6, 9, 12, 15, 18, 21, 24, 27, 30, 32, 34, 36, 38, 40, 42Surface Treatment: Titanium CoatingCobalt High Speed SteelNone