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