016-1648RX: 3FL Spiral Rougher Downcut; 1/2"SH; 1/2"CD; 1-1/2"CL; The RX series of bits lasts 50% longer than other premium CNC bits.Solid carbide three flute rougher spiral downcut bit. For use in solid wood, wood composites, plywood materials hogging at high feed rates where finish is not a concern. This bit is part of the RX series of bits by AS&T, which last 50% longer than other premium CNC bits. Number of Flutes: 3 Cutting Diameter: 1 2" Cutting Length: 1 1 2" Shank Diameter: 1 2" Overall Length: 3 1 2"