Spiralbohrer PREMUS, HSS-Co Typ N Zubehör für Ausblaspistolen - With seal for internal

- With seal for internal cooling up to 60 bar

and other thin-walled parts up to a maximum diameter of 70 mm and an installation depth of max

highly twisted flute geometry reduces material hardening during the drilling process and therefore allows maximum feed rates

- the special TiAIN coating prevents the formation of built-up edges and gives the twist drill maximum wear resistance at high feed rates

Spiralbohrer PREMUS, HSS-Co Typ N Zubehör für Ausblaspistolen - With seal for internalVersion 102000 and 102050: made of HSS Cone surface grinding Gouging from 14,25 mm steam treated Use 102000 and 102050: Standard twist drill for general machining in alloyed, unalloyed steel, cast steel, gray cast iron, malleable cast iron, ductile cast iron, sintered iron, nickel silver, and graphite. Version 102350: made from HSS Co Cone surface grinding Gouging from 10,00 mm steam treated Use 102350: Alloyed, unalloyed steels and cast types over