9081A

TOP line. In HSS-E steel, particularly treated for superior performance and long life. Ground and polished after hardening. Cutting geometry optimized for maximum chip evacuation.

Reinforced shank (from 7/16 inches, reduced shank), short chamfer for through and blind holes . Thread: American - UNC pitch - ANSI-B1.1 (DIN 371/376). Tolerance 2B. Right-hand use. TiAlN coated. For all types of steels, also for hardened non-alloy steel, stainless steel, nitrided steel, non-oxidizable and antacid sttel up to 1000 N / mm2, aluminum, its alloys and long-chipping metals.

When the stocks will be run out, the taps will be provided with AlTiZrN coating in golden color instead of TiAlN coating.
For Ø holes for tapping see technical tables and tips Art. 8400 G - 8500 G.