Description
Spiral-flute bits combine a shearing action in cutting with an augering action in chip clearance.
The shearing action yields an especially clean accurate cut while the augering action clears
chips from the cut.
The “Up-Cut” shears from the bottom up pulling chips from the bottom up
thus allowing deeper penetration with less stress on the tool.
Whilst this tool is great for pocketing, slotting, through cut’s and shoulder machining, it may present tear-out on the stock surface. If top surface finish is critical, consider browsing our:
- Compression Cutter range, which gives the benefit of spectacular top and bottom finishes due to its Up Cut + Down Cut geometry. Please note that this requires a minimum Depth of Cut equal to, or greater than Tool Diameter to achieve the desired finish.
- Down Cut Cutter range, which allows for minimal Depth of Cut, but could present tear out on the bottom of the stock surface if machining through. This tool is not ideal for Deep Slotting as the tool geometry does not lend itself to efficient chip evacuation and will likely result in Chip Packing.

