HSS Bi-Metal Hole Saw

HSS Bi-Metal Hole Saw 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” to 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.Fitting Arbor: 3/8” hex shank, 1/2-20 UNF thread fits for hole saw 9/16” ---- 3/16”(14-30mm); 7/16” hex shank, 5/8-18 UNF thread fits for hole saw 1-1/4” --- 8-17/64” (32-210mm).