Whiteside Spiral Downcut Roughing Bit, 3/8 in. SH x 3/8 in. CD x 1 in. CL is a high-performance router bit designed for fast cutting operations in hard materials. Also known as a Hogger or Chipbreaker, this spiral downcut bit features roughing type cutting edges that excel in applications where chip is not a concern. It is particularly effective for cutting deep through slots or performing shallow finish work such as inlays, laminates, or veneers. The spiral shape delivers a shearing action that ensures extra smooth cuts regardless of the grain direction. Made from solid carbide and equipped with three flutes, this bit combines durability with precision. Manufactured by Whiteside Machine Company in Claremont, North Carolina, it reliable performance for woodworking professionals and enthusiasts alike. Model Number: RD4100H