I bought one of these hole saws in 2014 and have used it to make hundreds of holes in electrics, no problem. It recently found its match in a stainless steel box, so I'm glad I found it on Amazon. Hope it works the same. It cuts faster and lasts longer than $30 carbide hole saws.
πͺ Durable DEWALT DW3986C Portable Blade 3 Pack for Efficient Cutting
10 Review
POWERTEC 62-Inch 8-Inch Blade - Model 13132X
12 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