Hochleistungsbohrer PREMUS, Schaftform HA, 5× A11, 3-Schneiden, mit Innenkühlung schwarz) adjustment key

adjustment key

Tooth pitch:

as well as exotic alloys

M6 - M12 hardened and tempered to strength class 10

- Cut 1: For medium precision machining

Hochleistungsbohrer PREMUS, Schaftform HA, 5× A11, 3-Schneiden, mit Innenkühlung schwarz) adjustment keyVersion: Drilling depth 5 A11 8 A11 Three positive cutting edges, three guide bevels Special grinding for perfect self centring and positioning accuracy Optimum stability and chip formation High performance coating and twisted cooling channels for maximum performance How to use: Universally applicable for difficult drilling operations Ideally suited for angled bore entry Up to 100% higher feed possible in steel cast steel Up to 50 % higher feed rate