10pcs 4 Flute Drill Bit Set 2-12mm Shank Shank HSS CNC Straight Shank Drill Bit Set Tool Set for Wood, Aluminum, Steel and Titanium

made of high speed steel (HSS), high abrasion resistance, precision, high speed cutting for high hardness. 2-12mm Candle Burr Set: this candle burr set contains 10 diameters of 2mm, 3mm, 4mm, 5mm, 6mm, 7mm, 8mm, 9mm, 10mm, 0.472 , meet all your different requirements. Wide range of CNC applications: can be used for metal machining, CNC machining and engineering, suitable for aluminum, cast iron, copper, magnesium alloy, plastic, wood, etc. Easy to use: these candle drill bits were usually mounted on a milling machine and used for profiling, milling shoulders, finishing, general work of ferrous and non-ferrous materials