GB/T 801-1998
AbolishedCup head square neck bolts with small head andshort neck--Product grade B
小半圆头低方颈螺栓 B级
Application Summary AI generated
GB/T 801-1998 specifies the dimensions, technical requirements, and marking for cup head square neck bolts with a small head and short neck, classified as product grade B. These bolts are used in mechanical assemblies where a low-profile head and anti-rotation square neck are needed, such as in automotive, agricultural machinery, or structural steel connections. The standard ensures interchangeability and reliability in applications requiring precise fit under moderate load conditions.
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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.