Page 264 - THREADING CATALOG

USER GUIDE
THREAD MILLING DC TP APMX OAL DCONMS
MTECZ

15°

MTECZ (Mill Thread Endmills Carbide Z) - these are
internal solid carbide thread mills with internal coolant
holes directed to the cutting edges along the flutes.
The endmills should be used on machines with coolant
through the spindle, for applications of through hole,
where the tools with frontal cooling holes (MTECB) are
inefficient. MTECZ also can be used for production internal
thread in blind holes and for external thread milling.
The coolant holes improve tool life in all thread milling
applications. The coolant stream flushes the chips from
the cutting very efficiently, particularly in soft materials
(stainless steel and high-temp alloys) where the chips
tend to be re-cut and stick to the machined area.
MTECZ endmills are available with cutting diameters
from 4.6 mm up to 16 mm by metric system or from
0.264 inch to 0.63 inch by imperial and United States
customary systems. This product line offers a solution
for full profiles for most popular thread standards.

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