LMT Onsrud - 37-03 0.010" Tip Solid Carbide Single Flute Engraving Router BitLMT Onsrud 37 03 0. 010" Tip Solid Carbide Single Flute Engraving Router Bit These single flute router bits are ideal for V grooving and bevelling applications. Their hardness and durability make them great for use on materials such as soft and hard woods, soft and hard plastics, aluminum, and solid surface panels. Specifications Shank: 1 4" Angle: 60 Deg Overall Length: 2" Flute Type: Straight Engraving