... idler:Carrying idler, return idler, impact idler, training idler, trough idler, transition idler, spiral idler, vee idler, taper shape idler, guide idler, front-tilt idler, idler(round pipe section).The material of idler:Carbon steel ... The company adopts special fine welding steel pipe for idler, and does puncture processing in ... guarantee the idler enjoy 50000 hours of working life. Conveyor idlers