Heavy Hex Bolt (Structural Steel Hexagonal Bolt)
Steel structure large hexagon bolts are high-strength fasteners specifically designed for steel structure connections. They typically consist of a bolt shank, a hexagonal head, and a fully threaded or partially threaded section. The head features a standard hexagonal design. Ordinary wrenches or socket tools are allowed for installation.
Specification
Standard
GB1228A325A490
Size Diameter (length)
M16(40-150)
M20(45-170)
M22(50-200)
M24(55-200)
M27(65-200)
M30(80-200)
Material
20MnTiB
35VB
Nut material-size
35K-Diameter24
35K-Diameter28/30
35K-Diameter34
35K-Diameter34/36
45#-Diameter38
45#-Diameter42
washer material-size
45#-Thickness3.55
45#-Thickness3.55
45#-Thickness4.55/4.6
45#-Thickness4.55/4.6
45#-Thickness4.55/4.6
45#-Thickness4.55/4.6
Surface treatment
black oxide
Grade
10.9
Production process
Raw materials entering the factory – drawing – cold heading -Heat treatment- inspection – packaging
Package
30kg/ctn
As a professional Heavy Hex Bolt manufacturer, JDELI provides full-standard structural hex bolts for steel structure buildings, bridges, and infrastructure projects worldwide.






