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 | GB1228 | |||||
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.
