Brass Machine Screws - Slotted Round Head - #10-32 x 1" - Fine Thread Bolts | eBay
Everbilt 1/4 in.-20 x 3 in. Combo Round Head Brass Machine Screw (2-Pack) 813861 - The Home Depot
Brass terminal screws for antique wood wall telephones, ringerboxes, magneto boxe sand subsets made by Western Electric and Automatic Electric | Old Phone Shop