Product Info Catalog Tools Power Drill, Bits & Accessories .25 x .5-In. 2-Flute Straight Router Bit .25 x .5-In. 2-Flute Straight Router Bit Request a Quote UPC: 08925380030 SKU: 645822 Model Number: 04-104 1/4" Diameter x 1/2" Carbide Height, 2 Flute Straight Router Bit, 1/4" Shank, TiCo&tm. High Density Carbide.