SpeTool 2pcs A02002 SPE-X Extra Tool Life Coated CNC SC Spiral Aluminum Cutting 1/4" Dia x 3/4" Cutting Length x 1/4" Shank x 2-1/2" Long 3 Flute Up Cut Router Bit

Specification:  Flute number 3 Shank Diameter(SD) 1/4" Cutting Diameter(CD) 1/4" Cutting Length(CL) 3/4" Overall Length(OVL) 2-1/2" Material Carbide   Overview:  This router bit was designed to eject chips up for clean cuts in aluminum, brass, copper, and other non-ferrous materials. Features a special carbide grade to perform high-quality cuts in aluminum. Can be used with CNC routers. The SPE-X new design coating could provide up to 2.5X normal life and a much more smooth cutting edge than others (The previous code was A02011). Designed for cutting the following materials:   Aluminum Brass Copper Silver Bronze