Suitable for A Type V-Shaped Pulley Timing Belt.For Motor shaft drive.
5 Step can be applied to different speed requirements.
Outer dia: 54mm ,76mm ,102mm ,128mm , 150mm.
Made of high quality Aluminum ,strong and sturdy.
Note: Not include screw hole. Due to the difference in product received, the holes can be manually sanded according to individual needs, and sandpaper is wrapped around the positioning pins for installation on the motor shaft of the lathe.This product does not need screws as long as the shaft diameter and the synchronous wheel diameter match