KS Tools HSS TiN Twist Drill Set

HSS TiN 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 standards. The drills have a tapered surface grinding for point grinding and cross grinding for right-hand cutting, with a 130° point angle and a 20 to 30° helix angle. They offer high hot hardness resistance for maximum stress applications. Made from high-performance steel with a TiN-coated surface, these drills are ideal for use in 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, ductile iron, and die-cast iron.