Machine Screw 2-56 x 1/2 inch p-ph-s
This is the small phillips panhead screw used to secure most playfield microswitches. The screw has a captive internal tooth lockwasher attached to the head.
Commonly used on many 1990's Bally and Williams games.
- Used with 01-8719 microswitch bracket Machine screw with 2-56 thread and 1/2" long with phillips pan head and integrated internal tooth lockwasher.
Basic diameters and threads of Standard SAE numeric system small machine screws are shown below.
The diameters of machine screws are indicated with the number of threads per inch count.