GB/T 32.1-2020
ActiveHexagon bolts with wire holes on head
六角头头部带孔螺栓
Application Summary AI generated
This standard specifies the dimensions, technical requirements, and marking of hexagon bolts with wire holes through the head, used for safety-critical fastening in mechanical assemblies. It is applied in industries such as aerospace, automotive, and heavy machinery where bolts must be secured with cotter pins or wire to prevent loosening under vibration. The wire hole allows for positive locking, making it suitable for applications requiring tamper-resistant or fail-safe connections.
Related Standards
GB/T 9074.5-2004
Cross recessed small pan head screw andwasher assemblies with plain washers
GB/T 62.1-2004
Wing nuts--Round wing
GB/T 62.2-2004
Wing nuts--Square wing
GB/T 9074.20-2004
Cross recessed hexagon head tapping screw with indentation and washer assemblies with plain washers
GB/T 62.3-2004
Wing nuts--Pressing wing
GB/T 3098.20-2004
Mechanical properties of fasteners--Wing nuts with specified proof torque
GB/T 62.4-2004
Wing nuts--Die-casting wing
GB/T 3098.19-2004
Mechanical properties of fasteners--Blind rivets with break pull mandrel
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.