I have been a commercial and industrial electrician for 40 years. Lenox hole saws have served me well for most any application.I've been happy with this kit... https://www.lowes.com/pd/LENOX-13-Piece-Bi-Metal-Hole-Saw-Kit/1003008982
With that being said if I am using a holesaw on stainless steel I prefer carbide. The Lenox ones will work but will not last very long. I have a crate lubricant I use on stainless called anchor mowith that being said if I am using a hole saw on stainless steel I prefer carbide. The Lennox ones will work but will not last very long. I have a great lubricant I use on stainless called anchor lube.
