Triangle shank fully ground twist drill bits
M35 5% cobalt material ensure the drill bits can drill hole in stainless steel
Triangle Shank HSS Cobalt HSS M35 Twist Drill Bit
Industrial grade cobalt high speed steel give the drill bits much more durability
The triangle shank of the drill bits can provide much more holding force when drilling
Cobalt give the drill bits much higher hot hardness and abrasion resistence.
Released on:2019-07-04 Updated on:2019-07-31
