Timing pulleys and belts are the perfect solution for transmitting power from motors to wheels or shafts. While O-Rings and round belts will slip under tension, timing belts have teeth that ensure a positive lock to the pulleys.
Pitch (distance between tooth centers): 3mm
Belt Width: 4mm or less
Material: 6061 Aluminum
Includes 4-40 setscrew for fastening to shaft.
| Number of Teeth | Pitch Diameter | Outside Diameter | Weight |
| 42T | 40.11mm (1.579") | 39.34mm (1.549") | 26.3g (.90oz) |
FingerTech has a great pulley and belt calculator to help you fingure out what length belt you need.
0-FT-PULLEY-ALUMINUM-42T
IGS CAD File