PATIKIL 9mm Drill Bit, M42 8% Cobalt High-Speed Steel Jobber Straight Shank 135° Titanium Nitride (TiN) Coated for Hard Metal Stainless Steel – 1 Pack 9mm 1
A 9mm (0.35 in ≈ 23/64 in) M42 high-speed steel jobber drill bit with 8% cobalt and a titanium nitride (TiN) coating, built for demanding drilling in stainless steel and other medium-to-high hard metals.