Disston One-piece Bi-metal Hole Saw 2-7/8" 73mm 1-7/8" Depth of Cut Fits 3/8" and Larger Drills #5667 One-piece Bi-metal Hole Saw 2-7/8" 73mm 1-7/8" Depth of Cut Fits 3/8" & Larger Drills #5667