- Achieve superior precision, speed, and quality when cutting wood/plastic on your cnc machine with the 1/16″ Amana Tool 46290-K Wood/Plastic Tapered Square End Router Bit (1/4″ Shank). Specifically designed for machining wood/plastic materials, these router bits ensure clean, accurate cuts while maximising efficiency. Perfect for carving and shaping wood/plastic with ease and reliability Amana Tool Amana Tool’s cnc machine router bits are crafted from premium sub-micron grain carbide, ensuring exceptional durability and precision. Utilising an advanced edge processing system, each router bit is finished with a mirror-like polish and a razor-sharp cutting edge. This meticulous process results in clean, precise cuts, minimal chip re-welding, an outstanding surface finish, and. most importantly. an extended tool life. Spektra-coated router bits from Amana Tool are designed for exceptional cut quality on your cnc machine. The nACo micro-thin coating enhances edge sharpness and lubricity, ensuring smooth and precise cuts. Additionally, the Spektra coating reduces heat buildup and prevents oxidation, resulting in superior performance and extended tool life.