We speicalize in making kinds of hss twist drill bits, including general, long, lengthened and extra-long taper shank twist We can make kinds of  Drill Bits, including general, long, lengthened and extra-long taper shank twist drills,Which can meet the requirements of different types of machines' processing,The products quality and their long life-span have been keeping ahead in the tool-making industry which make them the strongest products of the company.

Executive standard:GB/T1438.1-1996, GB/T1438.2-1996,DIN341,DIN345...

Finishing Color:Tin coated

Material:M2,M35,M42,Hss-9341,4341,4241..

hss taper twist drill bits