Hss twist drill bits High hardress High temperature resistance competive price and good quilty

Materials : M35, M42,HSS4241,HSS4341,HSS6542,HSS9341

We supply different kinds of drill bits,include standard and un-standard goods

provied the best customer services.

Finish:Black oxide,Bright Finishes,Tin coated,Amber Finished,Rainbowcolor,etc

Process:Forged roll,Polished,Fully groud

Application: For drilling cast steel, malleable iron. sintered metal, non-ferrous metals and

                 wood,etc

Inch size:1/16"-1/2"

Diamerter ranges from 1MM to 20MM

twist drill sets