We produce all kinds of HSS twist drill bits, the details include:

1)standard: DIN338, DIN1897, DIN340, ISO235, ANSI B94. 11M, DIN345, DIN 1870

2)material: : HSS 4241, HSS 4341, HSS 9341, M2(6542), M35,

3)manufactory process: roll forged, edge ground , fully ground , milled

4)point angle : 118 degree, 135 degree split point

5)surface finished: bright finished , black oxide , tin oxide , black flute & bright shank , rainbow

6)flute type: N or VA

7)shank: straight shank drills , taper shank drills , reduce shank drills , 1/2” shank drills , hex shank drills