An axle or axletree is a central shaft for a rotatingwheel or gear. On wheeled vehicles, the axle may be fixed to the wheels, rotating with them, or fixed to the vehicle, with the wheels rotating around the axle. In the former case, bearings or bushings are provided at the mounting points where the axle is supported. In the latter case, a bearing or bushing sits inside a central hole in the wheel to allow the wheel or gear to rotate around the axle.
Lock hand is processed with 40Cr accurately.Lock body is made from cast steel,high quality and wear well. Complies with the standard of ISO 1496,ISO 1161. Up-down can rise and fall freely,double revolves toward 360°，container bone trailer and container plat form triler to apply equally.