Before trying these I tried half a dozen Morse brand hole saws. Milwaukee held up much better on steel. If any of these failed, it was due to mandrel thread wear, not dull or broken teeth.
Gasoline saw Huter BS-45M 2300 W/3.1 HP black
100 Review
Saw BOSCH Keo, 0600861900
41 Review
Sawing machine DeWALT DWE7485, 1850 W
52 Review
Impact drill BOSCH GSB 13 RE (0 601 217 100), 600 W blue
37 Review
πͺ Durable DEWALT DW3986C Portable Blade 3 Pack for Efficient Cutting
10 Review
POWERTEC 62-Inch 8-Inch Blade - Model 13132X
12 Review
Enhanced Cutting Efficiency with Olson FB23370DB 0 025 2 Inch Blade
Olson 80 Inch Blade FB14580DB-025