GB/T 32.3-1988
AbolishedHexagon bolts with wire holes on head--Fine pitch thread--Product grade A and B
六角头头部带孔螺栓 细牙 A和B级
Application Summary AI generated
This standard specifies the dimensions, technical requirements, and marking of hexagon bolts with wire holes in the head, featuring fine pitch threads and product grades A and B. It is applied in mechanical assemblies requiring high-precision fastening, such as aerospace, automotive, and precision machinery, where the wire holes allow for safety wiring to prevent loosening under vibration or critical conditions.
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GB/T 62.2-2004
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GB/T 62.3-2004
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GB/T 9074.5-2004
Cross recessed small pan head screw andwasher assemblies with plain washers
GB/T 9074.20-2004
Cross recessed hexagon head tapping screw with indentation and washer assemblies with plain washers
GB/T 62.4-2004
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GB/T 3098.20-2004
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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.