Standard use Bass Bridge mount screws (Also works for some strap buttons as well. . 3.5mm diameter (#5.5) by 25mm length (15/16") Oval head undercut #2 phillips screw
Thread diameter .141" (3.6mm) Length: .984" (25mm) Minor Thread: .112" (2.8mm) Major Thread: .141" (3.6mm)
Requires good quality #2 phillips screw driver tip
Use #38 or 3/32" drill bit for drilling mounting hole in new setup.