Great for production settings and excellent for creating grooves and dado cuts in softwood hardwood plywood and composite Materials. 'Down-cut' Spiral. Three-flute design for very high quality finish., #46218, direction down-cut, (D) diameter 1/2, (b) Cutting height 2, (D) shank 1/2, overall length (L) 4, flutes 3, 46218 Solid Carbide spiral plunge 1/2 dia x 2 inch x 1/2 shank down-cut, 3-flute