FingerTech S3M Timing Pulley 42T 5/16-24

This pulley is specially-made for use with our 3lb Undercutter Weapon Assembly (coming soon).
Use it to replace damaged ones, stock up on spares, or for your own creation!
It can be used with any of our 4mm wide S3M timing belts.

 Specifications:
- 42T 3mm pitch S3M pulley
- Material: 6061-T6 aluminum
- Bore is threaded 5/16-24 UNF
- Belt width: 4mm (0.157in)
- Width: 7.3mm (0.287in) plus 4.6mm (0.181in) hub width
- Hub Diameter: 12.55mm (0.494in) to fit inside the weapon assembly's 3/4in tubing.
- Steel flanges OD: 44mm (1.73in)
- Weight: 31g (1.09oz)

Try our Pulley-Belt Distance Calculator!  Pick from our available pulley and belt sizes and it will tell you how far apart they will be, OR plug in your desired distance and it will tell you which belt to use!

42T-pulley-516-24.STEP