Whiteside Spiral Up / Downcut Bit, 1/2 in. SH x 1/2 in. CD x 1-5/8 in. CL is a high-quality router bit designed for precision and smoothness. Known as a 3 + 3 Compression bit, it features a unique combination of up and down cut designs that effectively eliminate chipping when trimming double-sided laminates and veneers. The bit’s up cut end is for mortising type work, while the spiral profile with three flutes ensures ultra-smooth cuts. Crafted from solid carbide and equipped with a 1/2" shank, this bit durability and excellent performance for woodworking projects. Made by Whiteside Machine Company in Claremont, North Carolina, it combines quality craftsmanship with functional design to meet the needs of professionals and hobbyists alike. Model Number: UD5163M