$12.79
See if it's really the one
Search with this product to compare it, find similar styles, or turn up something better before deciding.
Timing Belt for the HiTorque mini mill models 3900, 3960, 3990 and 4190. This belt also fits MicroLux 84630, SIEG SX2, SX2L & SX2LF, and BusyBee CX612 mini mills. The belt is a 350-5M-15 (350mm pitch length, 5mm pitch, 15mm width) with 70 teeth. See the Used On data for drawing number for each machine.
Have a question about this?
We currently ship within the US, with more countries coming soon.
Final cost and dates are confirmed at checkout.
🇺🇸 Ship from USA · On Agora since 2026
$12.79