HardWin Flush Trim Router Bits - Engineered with GCr15 bearing steel cutting edges and tungsten carbide bodies for exceptional durability, these router bits feature a specialized coating for smoother cuts and reduced friction. Choose from three precision cutting styles: Up-Cut for efficient chip removal in joinery work, Down-Cut for splinter-free surface trimming on laminates, and Compression-Cut for flawless edges on both sides of your workpiece. The 1/4" shank fits all major router brands (Bosch, DeWalt, Makita) and CNC machines (3040/6040 models). Perfect for working with hardwoods, plywood, MDF, and plastics in cabinetry, furniture making, and precision woodworking applications.