Product Info Catalog Tools Power Drill, Bits & Accessories .5-In. 90-Degree V-Grooving Router Bit .5-In. 90-Degree V-Grooving Router Bit Request a Quote UPC: 08925380474 SKU: 646024 Model Number: 20-104 1/2" Diameter, 90 Degree, V-Grooving Router Bit, 1/4 Shank, TiCo&tm. High Density Carbide.