- Achieve superior precision, speed, and quality when cutting wood on your cnc machine with the 1/16″ x 3/16″ 2 Flute Amana Tool 45190 Wood High Production Carbide Tipped Square End Router Bit (1/4″ Shank). Specifically designed for machining wood materials, these router bits ensure clean, accurate cuts while maximising efficiency. Perfect for carving and shaping wood 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.