The BTNN Topseller is available with cutting widths from 1.5 mm to 4 mm as neutral,
right and left types. For each material there are fitting carbide grades and coatings.

CTDS - a unique chip breaker! Its minor edges for turning
create short chips and excellent surfaces. An evergreen. Absolutely.

The MTNS chip breaker represents the absolute No. 1 for cutting and turning.
Each chipping problem can be solved with the large variety of grades and coatings.

The choryphae in parting-off with the absolutely best price-performance ratio.
PM CARBOSPEED coating represents the state of the art technology in machining steels (ISO blue).

Recommended applications: turning, semi finishing and finishing.
The perfect choice for tight and narrow machining conditions.

This complex geometry has unique characteristics,
which allows to solve even very difficult cutting problems.