Sutton 25pc Blue Bullet Metric HSS Drill Set 1-13mm x 0.5mm

118° web thinned point reduces the amount of thrust required Precision engineered parallel shank for accurate hole size 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 D102SM3