External oil pump pickup pan mod...?

brian6pac said
I use these to cut perfect holes, I also have harbor freight ones and they suck. Irwin's are the best. These will cut up to 1 3/8"

https://www.amazon.com/dp/B00004THZ1/?tag=joeychgo-20

Will they work on thin gauge metal (like an oil pan) without distortion? Thanks.