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HSS drill bit DIN345, twist drill bit with morse taper shank
Point angle: 118degree or 135 split point degree
Executive standard:GB/T1438.1-1996, GB/T17984-2000,DIN345,DIN341...
Material:HSS-9341,M2,M35,M42,HSS4341,HSS4241...
Finishing Color:Black oxide,Bright,TIN coated,Flute poblishing
Process:Roll Foreged,milled,Extruded
Morse taper shank twist drill bit