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Spiral drill with cyl. shank
Design: Profile grinding, right cutting, with precise cross point geometry, normal angle of rake, core thickness and core gradient. Application: The proportion of cobalt provides for improved thermal resistance, ideal for alloyed and non-alloyed steels (up to 900 N/mm 2 in strength), hot and cold work steels, tempered and case-hardening steels and for rust and acid-resistant steels.