[APPLY TO]:Recommened to general drilling and cross hole drilling,suitable to lrregular surface drilling and interrupted drilling
[ADVANTAGE]: Quick discharge of iron chips,Break the iron chips and do not stick to the drill.
[MATERIAL]: TiN coating with carbide substrate, wear-resistant and heat-resistant, not easy to stick to the holders or workpieces. Vacuum hardening, exquisite craftsmanship, easy cutting.
[SUITABLE FOR]: HRC20°-45°, for stainless steel ,High temperature alloy, titanium alloy.