GB/T 5281-1985
ActiveHexagon socket head shoulder screws
内六角圆柱头轴肩螺钉
Application Summary AI generated
This standard specifies the dimensions, technical requirements, and marking of hexagon socket head shoulder screws, which are used as precision locating or pivot components in mechanical assemblies. It is applied in machinery manufacturing, automation equipment, and tooling fixtures where a smooth, unthreaded shoulder provides precise axial positioning or acts as a rotating shaft. The standard ensures interchangeability and consistent performance in applications requiring high-strength, adjustable fastening without thread engagement in the shoulder zone.
Related Standards
GB/T 9074.5-2004
Cross recessed small pan head screw andwasher assemblies with plain washers
GB/T 62.3-2004
Wing nuts--Pressing wing
GB/T 62.2-2004
Wing nuts--Square wing
GB/T 62.1-2004
Wing nuts--Round wing
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.