we are professional in drill bits,
it includes roll forged,half ground,fully ground,milled
or by material,it has F4341#,W4,W9,M2,M35,M42
or by surface color: bright,titanium coated,black,amber color or double color drills,
by standard:it includes:din338,din340,din1897,iso235,ansi b94.11m
or make it as clients inquiry,
