The SiTong ST-M2 is a mechanical arcade pushbutton built for leverless and all-button controllers. Instead of a traditional microswitch it uses a genuine Cherry MX Silver speed switch: linear, no click bump, with a very short actuation point for the fastest possible input registration.
Similar in design and feel to Gaming Finger mechanical buttons: octagonal frame, low-profile cap and a Cherry MX speed switch. (SiTong is a separate brand, not affiliated with Gaming Finger.)
The smooth, polished cap sits in an octagonal black frame and snaps into a standard 24mm hole. Terminals are 2.8mm hot-plug (quick-disconnect), so the button swaps in and out without soldering.
- Size: 24mm (auxiliary / Start / Select buttons)
- Colour: Red cap, black octagonal frame
- Switch: Cherry MX Silver (linear, speed)
- Cap: Smooth finish
- Mounting: Snap-in, standard 24mm hole, panels 2.0 to 3.2mm thick
- Dimensions: 27.8mm bezel, 23.8mm body, 13.5mm depth below panel
- Terminals: 2.8mm quick-disconnect
- Brand: SiTong
Wiring note: these use 2.8mm terminals, not the 4.8mm (.187″) tabs found on Sanwa and Seimitsu buttons. Make sure your harness has 2.8mm connectors.



















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