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.
πͺ Durable DEWALT DW3986C Portable Blade 3 Pack for Efficient Cutting
10 Review
πͺ DEWALT DW3984C Portable Blade Set of 3-Pack
10 Review
πͺ Bi-Metal Cutting Blades: Imachinist S933414 - Enhancing Precision and Performance
10 Review
POWERTEC 62-Inch 8-Inch Blade - Model 13132X
12 Review