KS Tools HSS-R Twist Drill Set

HSS-R twist drill set in a plastic cassette, featuring 19 parts ranging from 1 to 10 mm. This set is excellent for stacking and includes an integral lock with high-strength hinges. It conforms to DIN 338 type N specifications. The drills have a taper surface grinding with right-hand cutting and a 118° point angle, along with a 20 to 30° helix angle. Made from high-performance steel with a black, steam-tempered surface, this set can be used on steel, cast steel (both alloyed and unalloyed up to 900 N/mm² strength), bronze, brass, short-chipping aluminum alloys, graphite, nickel silver, sintered iron, gray iron, malleable iron, nodular iron, and die casting.