Item # 820-010, Mastercut 4 Flute Upcut Combination Spiral (High Speed)


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Material Finish-Top: Poor
Material Finish-Bottom: Excellent

Spiral flute router bits should only be used in automatic feed operations. They’re good for use on all materials.

Upcut routers are used when a good bottom finish is desired on the material. Chips flow in an upward direction.

Endmill Points are most often found on 3 and 4 flute routers. They’re good for achieving a smooth finish on a flat bottom surface, and are commonly used in the plastic routing industry.


Diameter3/4 in
Cut Height, Length, or Width2 1/8 in
End Pt TypeEndmill
Flute GeometryUpcut
Helix Angle30 deg
Overall Length5 in
Shank3/4 in