GB/T 3098.9-2020
ActiveMechanical properties of fasteners—Prevailing torque type steel nuts
紧固件机械性能 有效力矩型钢锁紧螺母
Application Summary AI generated
This standard specifies the mechanical and performance requirements for prevailing torque type steel nuts, including torque, strength, and hardness values. It is applied in the manufacturing and quality testing of locking nuts used in automotive, aerospace, and industrial machinery assemblies where vibration resistance is critical. The standard ensures these fasteners maintain clamping force under dynamic loads, preventing loosening in safety-sensitive applications.
Related Standards
GB/T 9074.5-2004
Cross recessed small pan head screw andwasher assemblies with plain washers
GB/T 62.2-2004
Wing nuts--Square wing
GB/T 62.1-2004
Wing nuts--Round wing
GB/T 62.3-2004
Wing nuts--Pressing wing
GB/T 9074.20-2004
Cross recessed hexagon head tapping screw with indentation and washer assemblies with plain washers
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.