A worm gear is usually meshed with a spur gear or a helical gear, which is called the gear, wheel, or worm wheel.
- Module: 0.3 / 0.4
- Material: Nylon
- OD: 3.5 / 5.0mm
- Length: 4.5 / 5.0mm
- M3 gear Bore Diameter: 0.65mm ( fitting shaft 0.7~0.9mm in diameter)
- M4 gear Bore Diameter: 1.0mm ( fitting shaft 1~1.05mm in diameter)