MECCANIXITY 20 Teeth 4mm Bore Timing Pulley Aluminium Synchronous Wheel with M4 Screw for 3D Printer Belt, CNC Machine, Pack of 2

What is this?The synchronous wheel is made of aluminum alloy with a high finish. Used in conjunction with timing belts, realize synchronous transmission and transfer project smoothly. Widely used in mechanical transmission such as 3D printers, drilling machines, milling machines, gear machines, CNC lathes, etc.What will I get?Package Content: 2pcs x Timing Pulley Wheel (with screws); Teeth: 20; Bore Diameter: 4mm/0.16inch; Max Diameter: 16mm/0.63inch; Total Height: 16mm/0.63inch; Slot Width: 7mm/0.27inch; Pitch: 2mm/0.08inch; Thread: M4*2Are there any advantages of the product?The transmission is accurate and stable with high efficiency, there is no sliding when working, it has the functions of buffering and damping, low noise, convenient maintenance, and no lubrication. Has a large power transmission range. It can be used for long-distance transmission.How to use it?Remove the pulley first, install the belt on the pulley, and then install the pulley on the shaft to fix it.What should I notice?Tips: Please check the timing pulley specifications before ordering.