Three flute finishing tools are used when an extremely smooth edge cut is required and provides a better finish than a two flute tool at the same feed rate. Three flute tools should be used for cutting natural woods and wood composites.
The up cut spiral will provide a smooth finish tot he bottom edge, while directing the chips upward and out.
Some users experience a longer tool life with a three flute tool compared to a two flute tool.
Work piece must be securely clamped to avoid movement and lifting when routing.
Can be used for plunging straight down.