GB/T 84-2018
ActiveSquare set screws with cup point
方头凹端紧定螺钉
Application Summary AI generated
GB/T 84-2018 specifies the dimensions, technical requirements, and marking for square head set screws with a cup point, designed to apply high clamping force through a concave tip that digs into a mating surface. It is used in mechanical assemblies where a permanent or semi-permanent locking of components is required, such as securing pulleys, gears, or collars onto shafts in industrial machinery and automotive systems. The standard ensures interchangeability and reliability in applications requiring resistance to loosening under vibration or torque.
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.