Steel Dragon Tools 2-1/4" x 2" High Speed Steel Annular Cutter with 3/4" Weldon Shank Steel Dragon Tools 2-1/4-inch high speed steel annular cutter. Bit Size: 2-1/4 in. Cutting Depth: 2 in. 3/4 in. Weldon Shank Machine-finish hole with no reaming needed when using lubricant.