GB/T 956.1-1987
ActiveCountersunk external toothed lock washers
锥形锁紧垫圈
Application Summary AI generated
GB/T 956.1-1987 specifies the dimensions, material, and mechanical properties of countersunk external toothed lock washers designed to prevent loosening of fasteners under vibration or dynamic loads. These washers are applied in mechanical assemblies where a countersunk head screw or bolt requires a locking feature, commonly used in automotive, aerospace, and industrial machinery to maintain joint integrity. The standard is referenced during manufacturing and quality inspection of locking washers for threaded fasteners in general engineering contexts.
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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.