Specification :

1. M3/ M42 High Speed Bi-metal Edge Welded to Alloy Steel Back for Heavy Duty Cutting;
2. 4/ 6 variable Tooth;
3. Cutting Safely and Efficiently, the Best Way to Cut Large Holes, Clearing the Chips in Touch Materials;
4. Cutting Depth to 1-1/ 2" ( 38mm) and 1-7/ 8" ( 47mm) ;
5. Diameters from 9/ 16" -- 8-17/ 64" ( 14-210mm) ;
6. Can be used in Portable Electric or Pneumatic Tools, Vertical Drill Machines, Lathe, Boring/ Milling Machines and Other Machine Tools;
7. Cuts Through Stainless Steel and Other Materials Pipe, Nail-Embedded wood, Hard Wood Floors, Plywood and Plastics;
8. All the specifications for arbored hole saws are the same as hole saws.There is an extra charge for the pilots;