The Milwaukee 49-56-9663 1-1/8 in. Ice Hardened Hole Saw delivers up to 50% longer life and 2X faster cutting than the competition. The Milwaukee Ice Hardened Hole Saw is made with a proprietary cryogenic process that consistently hardens to the core. The result is performance that?s superior to traditional heat-treat processing. For fast, tool-free change-outs, use Milwaukee’s universal Quick-Change Arbors. 49-56-7210, 49-56-7240, 49-56-7250, and 49-56-9100.
- Ice hardened cryogenically treated for up to 50% longer life
- Optimized tooth form for up to 2X faster cutting
- Wide, angled and offset slots for easy plug access
- Bi-metal construction with 8% cobalt for increased wear resistance