Used for carving decorative doors and sign manufacturing. Up-cut design leaves an excellent finish and expels chips quickly, #46387, direction Up-cut, (D) diameter 3/4, (r) radius 3/8, (b) Cutting height 2-1/2, (D) shank 3/4, overall length (L) 5, flutes 2, 46387 CNC solid carbide Up-cut ball nose spiral 3/4 dia x 2-1/2 x 3/4 shank router bit