Best Seller | Dewalt Guaranteed Tough D180044 Bi-Metal Heavy Duty Hole Saw 2-3/4in Dia High Speed Steel DeWalt Bi-Metal Hole Saw - Double tooth design strengthens each tooth for longer life and improved durability. High-speed steel cutting edge welded to alloy steel body. Thick hardened backing plates prevent thread stripping. Cuts material up to 1-3/4... more | | $26.82 FREE shipping go to store |