USA Nitride Coated Drill Bits 11/16 S&D 118 SP POINT 1 PER PK
The Nitro 118 Split Point S&d drill with Nirtride Surface treatment. that gives hard. protective layer to the drill ( increases hardness without increasing brittleness) which is measuably harder than high speed steel. Body and clearance are black and gold surface treated for maximum lubricity. Recommended for use in stainless steel and other metal drilling. The 118 degree split point reduces thrust and eliminates walking at the drill point