Product details:

For use where chips are to be pulled out of the cut. Freud's Up Cut Spiral Bits are designed for mortises, dado cuts, and deep blind holes where chips must be pulled out of the cut, and where speed of cut is the primary consideration: Cuts all composition materials, plywood's, hardwoods, and softwoods. Use on CNC and other automatic routers as well as hand-held and table mounted portable routers. Italy.