... ,durable in use 3,dependable performance 4, complete in specifications hole saw1,M3/M42 High Speed Bi-metal Edge Welded to ... ,Cutting Safely and Efficiently,the Best Way to Cut Large Hole,Clearing the Chips in Touch Materials4,Cutting Depth to 1 ... /2"(38mm) and1-7/8"(47mm)5,Diameters from 9/16"--8-17/64"(14-210mm)6,Can be used in ...