Mortise doors to fit hinges, locks, Lock Face plates and for general stock removal. All cutters fit threaded arbors. Long style, #55279, diameter (D): 9/16, cutting Height (B): 9/16, overall length (L): .885, thread: 1/4"-28, flutes: 255279 Carbide Tipped Mortising screw down Shear cutter 9/16 dia x 9/16 inch x 1/4 - 28 thread
