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Specifications

We produce all kinds of HSS twist drill bits

Details 

1)standard:DIN338,DIN340,DIN341,DIN345

2)material:HSS4241 HSS4341 HSS6542(M2) M35 HSS9341

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