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Spiral drill with cyl. Shank
Design: HSS Co5, DIN 338, type N. Profile grinding, bright surface, steam tempered from 2.4 mm, right cutting, with precise point geometry. Normal angle of rake, core thickness thicker than normal and normal core gradient. Application: Particularly suitable for alloyed/non-alloyed steels and casting types above 800 N/mm 2 in strength, hot and cold work steels, roller bearing steels, high-alloy steels, tempered steels and case hardening steels.