GB/T 956.2-1987
ActiveCountersunk serrated external toothed lock washers
锥形锯齿锁紧垫圈
Application Summary AI generated
This standard specifies the dimensions, technical requirements, and marking for countersunk serrated external toothed lock washers used to prevent loosening of fasteners under vibration or dynamic loads. It is applied in mechanical assemblies, automotive, and industrial equipment where a secure, vibration-resistant locking mechanism is required for bolts and screws. The serrated teeth bite into the mating surface to provide increased friction and locking action.
Related Standards
GB/T 9074.5-2004
Cross recessed small pan head screw andwasher assemblies with plain washers
GB/T 62.1-2004
Wing nuts--Round wing
GB/T 62.3-2004
Wing nuts--Pressing wing
GB/T 62.2-2004
Wing nuts--Square wing
GB/T 9074.20-2004
Cross recessed hexagon head tapping screw with indentation and washer assemblies with plain washers
GB/T 3098.20-2004
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GB/T 62.4-2004
Wing nuts--Die-casting wing
GB/T 3098.19-2004
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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.