Home / CNC Router Bits / (2) Flute Down Shear-Slow Spiral
Slow spiral bits-Helix bits are recommended for cutting hard plastics, such as acrylic and phenolics.
The slow spiral angle produces less "lifting" breakout especially using brittle plastic materials. These bits also provide great finishes in hardwoods.
The slow spiral angle produces less "lifting" breakout especially using brittle plastic materials. These bits also provide great finishes in hardwoods.