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Contact: delistudbolt
Company: Handan DELI Fasteners Co.,Ltd
Longquan Industrial Park Mingji Road
Handan 057150
China
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Date/Time:  2/9/26 6:43 GMT
 

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 GB1228
A325
A490
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
Heavy Hex Bolt (Structural Steel Hexagonal Bolt)
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