material: M35,M2,W9,W4,and 4241#,
surface finish:bright,black
manufacture process: roll forged,milled
point angle: 118,135,multifork,
shank: taper shank
din345 is the regular standard of taper hss drill bits, and different market likes different
color,about the point angle,multifork point can increase drill's quality too much ,
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hss taper drills
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