HSS twist drill bits
Detailed Product Description
size:3-4-5-6-7-8-9-10mm
process:roll forged,edge ground,fully ground
surface:white finished,black oxide,titannium coated,amber finished
point:118/135 split point
Type | Size | manfacturting | Material | Point angle | standard | Surface |
HSS drill | 1-13 | fully ground,roll forge,edge ground | M35,M2,W9,4341,4241 | 118/135 split point | DIN338,340,1897 | black oxide,bright,taitinum,amber |
1/16-1/2 |