VK10028
Tapper shank drills for hard machined materials
Type N.
Normal profile of flute, normal core, point angle 118°. Drills made of HSS Co mildly strenghtened core, point angle 130°.
Point angle 128°.
Right helix.
Steamtempered (Black finish)
Point shape - form C.
Conical lip relief, split point.
Lead of helix 10° - 15°.
Material HSS Co8.
Extra high performance high speed steel with good toughness and great temperature resistance. It is applicable especially for milling of materials with high strength, austenitic steels, steels for warm working, etc.