LMT Onsrud 62-776 Solid Carbide Downcut Spiral O Flute Cutting Tool, Inch, Uncoated (Bright) Finish, 21 Degree Helix, 1 Flute, 3.0000" Overall Length, 0.2500" Cutting Diameter, 0.2500" Shank Diameter
Designed to provide a smooth finish in soft plastic with downward chip removal. HDPE, HIPS, UHMW, ABS, polycarbonate, PE, polystyrene, polypropylene, acetal, acrylic, PET and solid surface.