Whiteside RU5125RN Ball Nose Up Cut Spiral 1/2"SH, 1/2"CD, 1-1/4"CL is a solid carbide router bit designed for precision and durability. This ball nose spiral cutter features a 1/2" cutting diameter and shank, with a 1/4" radius and 1-1/4" cutting length, making it i for use in routers with a 1/2" collet. The up cut flute design efficiently pulls chips away from the workpiece, ensuring clean cuts and optimal chip ejection. for routing wood, composites, and hard plastics, it is widely used in hand-held routers, router tables, and CNC machines, especially popular for 3D carving and routing juice grooves in cutting boards. The ball nose tip produces rounded bottom cuts with a smooth shear cutting angle, ing excellent control and finish quality. operating speeds range from 16,000 to 18,000 RPM, with a maximum of 24,000 RPM for performance. Model Number: RU5125RN