1.Standard:DIN338 / DIN340 / DIN1897 / DIN1869 / Extra Length
2.Material: HSS M42(8% Cobalt) / M35 (5% Cobalt)
3.Process: Fully Ground
4.Cutting Edge: 118° General Angle / 135° General Angle / Fast Drill Bits / 118 ° Split Point/ 135 ° Split Point
5.Usage: For Stainless steel, high temperature alloy, titanium alloy, high strength steel and carbon fiber composite materials etc.