Hss drills with titanium coated Drill with titanium coated drills'working life is much longer than bright finished drills.

Hss drills with titanium coated

We produce hss drills,special fully ground drills,it is high quality ,its material can

be 4241,4341,9341,M2,M35 and so on.bcs of precious manufacture process, the drills of 

fully ground can drill precious size hole on the metal.

Hss drills bit with titanium coated