GB/T 861.1-1987
ActiveLock washers internal teeth
内齿锁紧垫圈
Application Summary AI generated
GB/T 861.1-1987 specifies the dimensions, technical requirements, and marking for internal teeth lock washers used in mechanical assemblies. These washers are applied in bolted joints to prevent loosening under vibration or dynamic loads, commonly in automotive, machinery, and structural applications. The standard ensures compatibility with bolts and screws in metric thread systems, providing a reliable locking mechanism for fasteners.
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Transparency note: The application summary and key sentences on this page were automatically generated by AI from the standard's original text. This content has not been human-verified and should not be used for compliance or regulatory purposes. Always refer to the official standard document from the issuing authority.