Endmills Micro Carbide, 2 Flute with Corner Radius, Long Reach. - For precision milling of cavities - Suitable for materials up to 35-62 HRC - TiSiN for longer tool life Sutton Tools range of micro endmills represents world's latest technologies to provide increases in both performance and tool life. The key to successful long-reach or depth machining is to minimise or eliminate the vibration produced in the cutting action. Vibration can be detrimental to the tool life of the endmill and lead to poor surface finish. This problem is typically solved by adjusting the cutting conditions to suit the material group, or by improving the machining conditions such as tool holding or clamping. Sutton Tools micro endmill range overcomes vibration, through careful tool design, micro geometry & coating, without the need to sacrifice productivity & tool life.