Ground twist drill bit with point thinning for drilling steel HSS twist drill bit with straight shank, type N, right-hand cutting, DIN 338, HSS, ground Application area: Twist drill bit for drilling steel up to 1,000 N/mm² and cast steel (alloyed and unalloyed), grey cast iron, malleable iron, spheroidal graphite iron, sintered iron, nickel silver and graphite.