Qualtech 1-3/4\ 4MT HSS Undersized Shank Taper Shank Drill Bit, DWDTS1-3/4-4MT
- Pilot point twist drill bit, high speed steel material..
- High performance twist drill bit with morse taper shank for high precise drilling of larger bore diameter..
- Drilling and tapping in one, one-step processing, greatly save processing steps and time costs, improve working efficiency..
- Self-centering point, do not need assistant center drilling or center punching..
- For general using drilling in wood, aluminum, malleable iron, plastic etc..