Stair treads are pretty widely available from flooring supply companies. That said you can get pretty much anything you want from N Rome milled in any profile and any species of wood. They are transitioning to a new owner this weekend of June 30th. My guess is you would be better suited both in price and time going a different route. This place is typically better suited for those looking for a profile or dimensional lumber size no longer milled in mass or regionally. Also inner-city lumber mills custom profiles as well.
Most likely n if possible take a sample with you
They probably will. They have milled a lot of lumber for me so I don't think they would mind cutting your pieces for you. Best thing to do is to give him a call and they will answer your question directly
^^^ Sorry, I didn't mean bullnose, but routed instead.
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