Sutton Tools Blue Bullet jobber drills are a general purpose drill bit designed for machine and hand held drilling ferrous metals. The blue finish reduces chip build up on the cutting edge and is a better choice when drilling ferrous materials.118° web thinned point reduces the amount of thrust requiredPrecision engineered parallel shank for accurate hole sizeMade from M2 High Speed Steel (HSS) offering the best combination of strength, heat & wear resistanceBlue 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