Cutters for the 47400 and 47404 assemblies are available separately., #47500, diameter (D) 7/8, angle (a°) flush, cutting height (B) 1/4, usage top or bottom, D1 5/16, Wings 4, 47500 carbide Tipped 4 Wing flush cutter for assemblies 7/8 dia x 1/4 x 5/16 bore