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,WUERTH and so on. So if you have inqiry of this line,plz feel free to let me know.thank you v much