High speed steel black oxide finish, 118° standard point
A hard and heat resistant tool steel. A commonly featured cutting tip designed at an 118° angle. A chemically produced coating that leaves the steel surface with a matte black finish and offers mild corrosion resistance.
High speed steel black oxide finish, 135° split point
A hard and heat resistant tool steel. A self-centering and more aggressive cutting tip designed at a 135° angle. A chemically produced coating that leaves the steel surface with a matte black finish and offers mild corrosion resistance.