GB/T 13-2013
ActiveCup head nib bolts
圆头带榫螺栓
Application Summary AI generated
GB/T 13-2013 specifies the dimensions, technical requirements, and marking of cup head nib bolts, which feature a rounded head and a nib (protrusion) under the head to prevent rotation. This standard is applied in mechanical assemblies and structural connections where bolts must resist loosening under vibration, such as in machinery, automotive components, and heavy equipment. It ensures interchangeability and quality control for bolts used in general engineering and industrial fastening applications.
Related Standards
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 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 62.4-2004
Wing nuts--Die-casting wing
GB/T 3098.20-2004
Mechanical properties of fasteners--Wing nuts with specified proof torque
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.