DeWalt Impact Rated Holesaws - 19-35mm - DEWALT DT8253-QZ, This 19mm impact rated holesaw from DeWalt has been manufactured with a double tooth design which strengthens each tooth for longer life and improved durability.
The sharper tooth geometry cuts material quicker for faster drilling with the thick, hardened backing plates preventing thread stripping.
DEWALT DT8253-QZ Impact Rated Holesaw 19mm