SUTTON 4.0 X 146MM METAL DRILL BIT LONG SERIES HSS BLUE BULLET D1100400

118° standard point for general purpose applications Precision ground flute designed for fast chip removal Made from M2 High Speed Steel (HSS) offering the best combination of strength, heat & wear resistance Blue surface finish for ferrous applications. The steam oxide finish prevents chip build-up on the cutting edges and reduces cutting friction, especially in low carbon steels