GB/T 5790-1986
ActiveHexagon flange bolts--Heavy series--Product grade B
六角法兰面螺栓 加大系列 细杆 B级
Application Summary AI generated
This standard specifies the dimensional, mechanical, and marking requirements for hexagon flange bolts in a heavy series with product grade B. It is applied in mechanical assembly contexts where a larger bearing surface under the bolt head is needed to distribute clamping loads over a wider area, such as in automotive, heavy machinery, and structural steel connections. The standard ensures interchangeability and consistent performance for these bolts in industrial fastening applications.
Related Standards
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 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 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.