This pulley is specially-made to mount onto FingerTech
Weapon Bars and Discs, giving you an easy way to spin a blade via a timing belt.
Specifications: - 30T 3mm pitch S3M pulley
- Material: 6061-T6 aluminum anodized red
- Bore: 4mm (0.157in) - can be bored out as large as 12.7mm (0.5in) to fit different sized roller bearings in dead-shaft applications
- Belt width: 4mm (0.157in) - can be used with any of our 4mm width
S3M timing belts.
- Width: 7.3mm (0.287in)
- Steel flange OD: 32mm (1.26in)
- Weight: 13.8g (0.49oz)
- Mounting Holes: Four 6-32 threaded mounting holes equally spaced on a 17mm (0.70in) circle, for mounting our
Weapon Bars and Discs. Get
6-32 screws here.
- Includes a 6-32 x 1/4in setscrew for securing onto a 4mm shaft (it is best practice to grind a flat spot onto the shaft for the setscrew) - uses
1/16" hex wrench.

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!
