Product Info Catalog Tools Power Drill, Bits & Accessories 5/8 x 1-In. Top-Bearing Flush Trim Router Bit 5/8 x 1-In. Top-Bearing Flush Trim Router Bit Request a Quote UPC: 08925384229 SKU: 646283 Model Number: 50-104 5/8" Diameter x 1" Carbide Height, Top Bearing Flush Trim Router Bit, 1/4 Shank, TiCo&tm. High Density Carbide.