... Material:HSS4241,4341,9341,M2,M35SIZE:13PC/SET(Metric or Inch),19PC/SET,21PC/SET,25PC/SET,29PC/SETColour:BLACK (Nitriding),Bright,Titanium Coated ... Angle: 1180 or 1350Standard: Din338 We can offer drill set of different kinds and specifications as your requested.And the ... resistance and perfect cutting ability.It is suitable for cast iron,cast steel,carbon steel and quenched steel(Under HRC60). Our ...