S2M aluminum synchronous belt pulley can transmit power of motor to synchronous belt to drive the mechanism, mainly used in small precise mechanical transmission like 3D printers.

Specification:

• Model: S2M-20 Teeth
• Pitch : 2mm
• Bore Diameter : 5mm 
• Bore Outside Diameter : 16mm 
• Fit Belt Width : 6~8mm 
• Overall Size : 16 x 16mm (D*H)
• Material : Aluminum Alloy; 
• Color : Silver Tone
• Package Content : 1 x Timing Pulley
• Weight: 9g