Presto 09522M25 Elite High Speed Steel Split Point Jobber Drill Set, 1mm 13mm Diameter, 1.0mm Increments, 25 Piece

1mm - 13mm x 1.0mm increments (25 drills) high speed steel (hss), can withstand high temperatures without losing its hardness. steam tempered surface is a black oxide coating that provides heat resistance and lubricity, as well as corrosion resistance. the coating increases the life of high-speed steel bits. 118 degree point split angle. reduces the amount of pressure needed to make the drill cut. the split point is also self centering which means the drill starts cutting exactly where is comes into contact with the material ground flutes provide fast chip removal to maximize accuracy and efficiency Included components: Taper Shank Drill Bits