Description: Type: Door Rail & Stile Router bit. Made with industrial micrograin carbide, provides increased strength and utmost resistance, for multiple use, smooth and detailed finish. Fits for professional electric drill, bench drill. Rpm close to 800-1000, while adding water for cooling is an advantage. Suit to rout out density board, hardwood, MDF, particle board, plywood, etc.. Baked on heat resistant coating prevents build-up of sawdust, resin, and pitch. Two flute carbide cutters with ball bearing guides. Specification: Shank size: 1/2" Cutting Length: 1" Cutting Depth: 7/16" Overall Length: 3-3/16" Largest Diameter: 1-3/4" Quantity of Flutes: 2 Minimum Stock Thickness: 3/4" Maximum Stock Thickness: 1" Package Includes: 1 Piece Router Bit