XEH 6 Characteristics：

I.  Unequal spacing and variable helix design improves vibration resistance and provides longer tool life.
II. Applicable for high speed & high feed side and trochoidal milling. Great efficiency and also suitable for finishing.
III. 1D high efficiency slot milling, and for side milling. Better vibration resistance and stability.
IV. XEH Vc can reach 200(m/min) and above.
V.  Applicable for difficult-to-cut material and general steels. E.g. Stainless steel, Titanium alloy.
VI. XEH geometry design same as XPZ. Excellent cutting performance. XEH provides another good value option.

DAVO/DBVO 3 Characteristics：

I.   Universal design, drillable hardness of working piece from HRc18 to HRc52. 
II.  Drillable <3D/5D> depth length and with internal coolant hole design.
III. Good value and economical drill product.

To understand more information about :
>>>Click Here for Catalog>>> https://www.endmill.com.tw/upload/fs/download230313140857_5673.pdf

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Unequal Flute Spacing and Variable Helix Series
https://www.endmill.com.tw/products-detail/370/XEH

Carbide Drill Series
https://www.endmill.com.tw/products-detail/372/DAVO
https://www.endmill.com.tw/products-detail/372/DBVO