GB/T 840-1988
ActivePlastic diamond knurlhead screws
塑料滚花头螺钉
Application Summary AI generated
GB/T 840-1988 specifies the dimensions, technical requirements, and marking for plastic diamond knurlhead screws used in light-duty mechanical assemblies. It is applied in the manufacturing of consumer electronics, household appliances, and small equipment where non-metallic fasteners are needed to reduce weight, prevent corrosion, or provide electrical insulation. The standard ensures interchangeability and consistent quality for these specialized screws in production and quality control 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.