Whiteside Spiral Upcut Roughing Bit, 3/8 in. SH x 3/8 in. CD x 1 in. CL is a high-performance router bit designed for fast and efficient cutting in hard materials. Known also as a Hogger or Chipbreaker, this bit features roughing type cutting edges i for rapid material removal. Its upcut spiral design helps reduce chipping and splintering, making it for applications where chip is crucial. ly crafted for use with Castle and Porter-Cable Pocket Hole machines, it is also excellent for cutting deep through slots. The spiral shape delivers a shearing action that ensures smooth cuts regardless of the grain direction. Made from solid carbide and equipped with three flutes, this bit durability and precision for demanding woodworking tasks. Model Number: RU4000H