57-359MD Onsrud Router bit For Cutting Soft/Hard Wood & Wood Composite $100.97 Brand Onsrud Router Bit Material Solid Carbide MPN 57-359MD Country/Region of Manufacture United States Flute Type Downcut condition New Part # 57-359MD Onsrud Router Bit for cutting soft/hard woods & wood composite.Professional quality router bit for CNC machines. It is a solid Carbide Bit with 2 flutes, downcut, Marathon Coated. Cutting Diameter - 1/2" Shank Diameter - 1/2" Over all length - 3" Length of Cut - 7/8"