- Type of drill bitSpiral
Are intended for receiving openings in metal, a tree, plastic, glass, ceramics, to concrete, etc. Drills on metal radelyatsya on drills with conic and cylindrical shafts, material, a napayka (if is), a dusting and diameter. Drills on metal with a conic shaft there are with a diameter from 6 to 80 mm, and cylindrical from 0,4 to 20 mm. Drills on metal of the Zaporizhia tool plant.
Drill Ø 1mm, spiral with a cylindrical shaft, to Ø 20mm, with a conic shaft in the range from with a conic shaft in the range from Ø 6mm to Ø 55mm, centering drills of the GOST14952 type A from Ø 1,6mm to Ø 6,3 mm.