Cove Router Bit | CARBiTOOLUp, sheer cutting angle clears chips fast for chatter free accurate routing. Carbide Tipped, Two Flutes with Ball Bearing Guide. Engineered for smooth, consistent cove profiles, this router bit delivers clean cuts and long lasting edge retention thanks to its carbide tipped construction. The up shear geometry quickly evacuates chips to reduce heat and prevent burning, while the two flute design provides a balanced cut for reduced vibration and chatter