Drill Grinder: TG-32SKM numerical control drill grinding machine can be used for automatic production and grinding of the left and right rotating standard drill bits, counterbore bits, screw taps and multiple diameter drills; the cutter grinding range is from 3 mm to 32 mm, the number of cutting edges is up to 6 pieces, the drill point angle is from 40 to 180. Technical specification Diameter range 2 32 mm Number of cutting edges of drill bit 1 6 pieces Drill point angle 40 180 Drill bit back angle 0 18 Main axle motor power 1.1 kw Main axle rotational speed 3000 rpm Workpiece headstock motor power 0.04 kw Workpiece headstock main axle rotational speed 30 rpm Lathe external dimensions 950x 800 x 1560 mm Weight 350 kg.