Product Info Catalog Tools Power Drill, Bits & Accessories 5/8 x .5-In. Mortising Router Bit 5/8 x .5-In. Mortising Router Bit Request a Quote UPC: 08925380306 SKU: 646002 Model Number: 16-102 5/8" Diameter x 1/2" Carbide Height, Mortising Router Bit, 1/4 Shank, TiCo&tm. High Density Carbide.