Question on 45240 carbide Tipped straight plunge 12mm DIA x 3/4 x 1/4 inch shank, #45240, diameter (D): 12mm, cutting height (B): 3/4, shank (D): 1/4, overall length (L): 2, plywood thickness: 12mm, flutes: 2, 45240 carbide Tipped straight plunge 12mm DIA x 3/4 x 1/4 inch shank