Pop Bumper Bracket Mounting Screws – Twist – 237-5957-00
These screws go through the playfield from the top and attach the pop bumper bracket to the bottom of the playfield.
Twist shank screws are generally used on newer machines.
Finned shank screws are generally used on older machines.
However, both screws will work on any machine.
Reference – 237-5957-00