Bi-Metal Hole Saw with Built-in Arbor

Bi-metal hole saw with Built-in arbor
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;