Spiral Flute End Mill

Spiral Flute End Mill

Spiral cutting edge on the end mill. 2 and 4 flute end mills are the most commonly used.

1) 2-Flute - Allows maximum space for chip ejection. Used for general milling operations.

2) 3-Flute - Excellent for slotting. Used for general milling operations.

3)4, 5, 6, and 8 Flute - A greater number of flutes reduces chip load and can improve surface finish, if feed rate remains the same.