GB/T 5277-1985
ActiveFasteners--Clearance holes for bolts and screws
紧固件 螺栓和螺钉通孔
Application Summary AI generated
This standard specifies the dimensions and tolerances for clearance holes intended for bolts and screws in mechanical assemblies. It is applied in the design and manufacturing of machinery, automotive, and aerospace products to ensure proper fit and alignment when fastening components together. The standard is used by engineers and procurement professionals to select correct hole sizes for assembly and quality control testing.
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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.