I need 3/8" screen to sift with. Can't locate any around here.
McMaster has ‘em:

That one’s all stainless, pricey.
They have same size one in brass w/stainless mesh for $61.16, p/n 3298K248.
12” dia. x 3” deep in brass / stainless’ll run you $101.80, p/n 3291K242.