we produce all kinds of hss twist drill bits,
It includs by standard:
1)DIN338, DIN1897, DIN340, ISO235, ANSI B94 11M
DIN345, DIN1870, ANSI B94.11M
It includs by material:
1)hss 4241#, hss 4341#, hss9341#, M2, M35 and so on
It includs by manufacturing process:
1) Roll forged
2) Edge ground
3) Fully Ground
4) Milled
It includs by point angle: 118 degree, 135 degree split point
It includs by surface finished: Bright finished, black oxide, tin oxide,
Black flute & bright shank, rainbow
It includs by flute type: N or VA
It includs by shank: Straight shank drills, taper shank drills,
Reduce shank drills, 1/2" shank drills, hex shank drills
We are v powerful in such items, we are being supplier
of many famous Brand, such as: BLACK&DECKER, BOSCH, SANDVIK, STANLEY,WURETH and so on.