This document specifies the type, size, technical conditions of double end studs bm = 1.25d. This document is applicable to double end studs for automobiles, whose thread at the screw-in base end is ordinary coarse thread, transition fit thread, ordinary fine thread (thread specification is greater than M16), AND the thread at the screw-in nut end is ordinary coarse thread and ordinary fine thread.

This document specifies the main types and dimensions for tapped and male fitting in the matrix of pneumatic braking system of motor vehicle and towed vehicle. This document applies to the pneumatic braking system of motor vehicles and towed vehicles with air pressure below 2 MPa.

This document specifies the terms and definitions, classification and marking, requirements, test methods, inspection rules, packaging, marking, transportation, storage, etc. of performance films for automotive glass. This document is applicable to the performance film, which is mounted on the inner surface of the motor vehicle window glass and the surface of the interior partition glass. The performance film mounted on the glass surface of other vehicles can use this standard as a reference.

This document specifies the terms and definitions, statistical scope, calculation methods of comprehensive water consumption for unit output of automobile products. This document is applicable to the calculation of comprehensive water consumption for unit output of automobile products.

This document specifies the installation dimensions of the interface -- between the front end of the transmission assembly and the engine or drive motor, AND the interface -- between the rear end and the transmission components. This document applies to automotive mechanical transmission assemblies.

This document specifies the terms and definitions, classification and marking, requirements, test methods, inspection rules and signs, packaging, transportation, storage, sample preparation methods, installation technical requirements of automobile paint protection films. This document is applicable to the protection film, which is pasted on the exterior paint surface of existing automobiles and auto parts. The protection film, which is pasted on the surface of other cars and parts, can refer to this document.

This document specifies the acceptance rules for steel tubular products as well as the technical requirements for packaging, marking and quality certificates. This document applies to acceptance rules for steel tubular products and general requirements for packaging, marking and quality certificates. When there are special provisions in product standards, follow the provisions of product standards.