Used for carving decorative doors and sign manufacturing. Up-cut design leaves an excellent finish and expels chips quickly, #46373, direction Up-cut, (D) diameter 1/16, (r) radius 1/32, (b) Cutting height 1/4, (D) shank 1/8, overall length (L) 2, flutes 2, 46373 Solid Carbide Up-cut ball nose spiral 1/16 dia x 1/4 inch x 1/8 shank router bit