GB/T 858-1988
ActiveTab washers for round nut
圆螺母用止动垫圈
Application Summary AI generated
GB/T 858-1988 specifies the dimensions, material, and technical requirements for tab washers used with round nuts in mechanical assemblies. These washers are applied to prevent loosening of round nuts under vibration or dynamic loads, commonly in machine tools, automotive transmissions, and heavy equipment. The standard ensures interchangeability and reliable locking performance in threaded fastening systems.
Related Standards
GB/T 62.1-2004
Wing nuts--Round wing
GB/T 62.3-2004
Wing nuts--Pressing wing
GB/T 62.2-2004
Wing nuts--Square wing
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
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.