GB/T 70.3-2008
AbolishedHexagon socket countersunk head screws
内六角沉头螺钉
Application Summary AI generated
GB/T 70.3-2008 specifies the dimensions, mechanical properties, and technical requirements for hexagon socket countersunk head screws. It is applied in mechanical assembly and manufacturing industries where a flush or low-profile fastener is needed, such as in automotive, aerospace, and precision equipment, to ensure secure fastening without protruding above the surface. The standard is used for quality control and procurement in production and testing contexts.
Related Standards
GB/T 9074.20-2004
Cross recessed hexagon head tapping screw with indentation and washer assemblies with plain washers
GB/T 62.2-2004
Wing nuts--Square wing
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 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.