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421 Solid carbide ballnose end mill
for zirconium oxide, shank Ø 6


421 3 2017


Characteristics and Tolerances


Ø 0,60 - 3,00 mm


Milling of round blanks


Innovative geometry, diamond coating

Tool life



icon-page-details» Specific data sheet (PDF)
» Further downloads


Ultra-precise Tools


Burr-free workpieces,
long tool lifes and reliable
production processes.

Life cycle (ID) number
for identification


Every tool can be clearly identified
by the ID number on its shank end
and can be precisely reproduced
years later.

100% final inspection
of all our tools


100% final inspection using
modern measuring instruments ensures the high quality and uniformity of our products.




ZECHA Hartmetall
Werkzeugfabrikation GmbH
Benzstraße 2
D-75203 Konigsbach-Stein

Tel. + 49 7232 3022-0
Fax + 49 7232 3022-25
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