Onsrud 54-206 Solid Carbide router 3FL 1/8 x 1/2 x 2-1/2 OAL For Composite, Fiberglass, 1/4 Shank, Fet2 Coated

Three and four flute tools for machining glass-reinforced plastic. Geometry has been optimized to shear the glass fibers while creating a chip which removes heat from the cut to avoid melting of the material.