1,HSS Cobalt 5% Drill Bits produced in precision full ground.
2,Thanks to the split point design,for precise self-centring, fast start and less walking on surface
3,The 135°cut angle is the best choice for higher speed cutting with less heat when drilling in tougher metal materials
4,Strong,Quality,Long Life.The HSS Cobalt Drill Bits in most suitable for precise drilling in both soft and hard materials
5,Smooth Chip Removal and Optimised Heat Reduction.Spiral Flute for better lubricant distribution to the drill bit.