GB/T 35478-2017
ActiveFastener—Steel bolts,screws and studs with polyamide locking pre-coating technical specification
紧固件 螺栓、螺钉和螺柱预涂聚酰胺锁紧层技术条件
Application Summary AI generated
This standard specifies the technical requirements, test methods, inspection rules, and marking for steel bolts, screws, and studs that have a pre-applied polyamide locking coating. It is applied in the manufacturing and quality control of fasteners used in mechanical assemblies where vibration resistance and reliable locking are needed, such as in automotive, aerospace, and industrial machinery. The standard ensures consistent performance of the pre-coating under specified torque, temperature, and environmental conditions.
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.