HTD 3M Timing Belt Pulley, for 15mm Wide, Bore 4-40mm, 12-120T, CNC, 3D Printer

● Number of Teeth：12T，15T，16T，18T，20T，24T，25T，28T，30T，32T，35T，36T，40T，45T，48T，50T，55T，60T，65T，70T，72T，80T，90T，100T，120T. ● Fixing grub screw : M4 2 or M5 2 (Free gift), Special: For Pulley with more than 30 teeth and less than 8mm bore, the screw is M4.

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