http://nine9.jic-tools.com.tw/chamfer-mill.htm

Nine9 chamfer mill is designed for chamfering and countersinking with an indexable insert.
The insert is a specifically designed for use in high speed machining ; the multiple flutes
provide for increased feed rate, optimizing performance and reducing cutting time.

♦ Excellent Repeatability

• Smallest insert in the world for chamfering mill.
• Smallest Indexable counter sink, diameter ø7 mm.
• The insert is dual-relief angle, specially edge honning and optimized coated for high cutting speed.
• Optimized the number of teeth on the holder to achieve higher feed rate.

♦ Applications:

• 90° counter sink and 45° chamfering.

• For counter sink, circular chamfering, contour chamfering and face milling.