GB/T 900-1988
ActiveDouble end studs--bm=2d
双头螺柱 bm=2d
Application Summary AI generated
This standard specifies the dimensions, technical requirements, and marking for double-end studs with a nominal thread engagement length (bm) equal to twice the nominal diameter (2d). It is applied in mechanical engineering and manufacturing for fastening components where one end is threaded into a tapped hole in a steel or iron part, and the other end receives a nut, commonly used in heavy machinery, automotive, and structural assemblies.
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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.