Cutting foam has now been made easier with a 15deg high helix 2 flute spiral up cut. Designed to cut rather than tear material away, this half way between a straight and spiral bit can be used on most hard and soft foams. Great for making tool inserts, kaizen boards, box padding, product inserts and more.
- EVA (Ethylene-vinyl Acetate Foam)
- Most polystyrenes
- Most machinable foams
All foams have not been created equal and albeit that cheap hardware store floor mat foam might be enticing, it's good to test to see which yields the best results. The rule of thumb is the harder the material the better it will cut.
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This bit is fantastic, it cuts the foam with no distortion, with a smooth finish. It does need to be run on conventional cut, high RPM and high feed. Will be buying more in the future as required.
Only buy my CNC end mills and parts from Adam’s bits, great service great products