Description

Tiangong M35 straight shank twist drill materials containing cobalt HSS-CO cobalt high speed steel, used for the processing of stainless steel / steel / hard machining of metal drilling, the drill bit performance is good, high resistance to mechanical strength, is a very high price cobalt drill, drill to the whole package of 10 to sell, buy a single bit is to inform the seller.M35 material can be stainless steel, die steel and other hard pieces of steel processing. M35 M35 5% high speed steel containing cobalt, cobalt high speed steel compared with low price and easy processing, by proper heat treatment, can obtain high hardness, high hardness and high wear resistance, toughness and bending strength is not less than the ordinary high speed steel, can overcome the die cutting edge collapse and crack of the early damage.