I bought a couple saw blades from FOXBORO in China (June 2022).
(2) 44-78” x 1/2” 24tpi bi-metal blades
I am still using the ‘first’ blade to cut Aluminum, MS 1018 HRS.
Of course, I would call my use of the saw - weekly at most.
I do not recall the actual pricing, but, it was less then NA...