... /K20, HSS M2/M42/6542 2)Standard or Nonstandard 3)High quality High speed steel ejector pins1)Material: carbide K01/K05/K20, HSS ... Mill, Corner Radius End Mill, Roughing End Mill, Twist Drill, Center Drill, Spotting Drill, Saw Blade, Reamer, Side & Face Milling Cutter ... steel, quenched steel, non-ferrous metals, etc.8) Good for machining up to HRC70 degree.9) Less cutting resistance.10) Very ...