Nine9 Super Power Drill Periphery Inserts - 0.2,0.8 NC Helix Drill and Hex bits for diverse

and Hex bits for diverse applications

6 Adaptors range from 0

maintenance

It can apply on electric screwdriver with the speed limit is under 250 r

* Equipped with an LED light and a Micro USB charging port

Nine9 Super Power Drill Periphery Inserts - 0.2,0.8 NC Helix Drill and Hex bits for diversePeriphery Insert >> Fully ground carbide insert Each insert has 4 cutting edges. Patented Dual relief angle insert are designed for optimum chip breaking and good edge preparation for longer tool life. NC2032: K20F grade, AlTiN coated, honed cutting edge for carbon steel, alloy steel, casting iron, stainless steel and hardened steel up to HRC 50. NC40: P35 grade, tougher insert with special chip breaker, TiN coated, for low carbon steel and stainless