For carving, lettering, decorative doors and sign manufacturing. Leaves an excellent finish and expels chips quickly., #46460, direction Up-cut, (D) diameter 1/4, (r) radius 1/16, (b) Cutting height 3/4, (D) shank 1/4, overall length (L) 2-1/2, flutes 2, 46460 Solid Carbide spiral plunge with corner radius 1/16 radius x 1/4 dia x 3/4 x 1/4 inch Shank Up-cut