Description
Ratio drills with coolant ducts Solid carbide / Ø 10.000 mm h7 / 20xD / Company std. / Surface: TiAlN / Cutting direction: right-hand / relieved cone 135°
Execution: Web thinning ≥ Ø 3.000 mm • main cutting edge form concave • optimised flute cross-section • maximum diameter of coolant ducts • observe coolant pressure
Application: structural and case hardened steels • free-cutting steels, heat-treatable steels • alloyed steels up to 1200 N/mm² • stainless steels • cast materials

