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high strength bolts with large hexagon head for steel structures

Product Attributes


Finish: ZINC, black, Black Etc
Material: 20MnTiB, 20MnTiB 40Cr 35VB
Standard: GB 1228-1230, GB DIN ASME/ANSI
Product name: Bolt for steel structure
Surface treatment: BOblack oxide
Color: Black
Packing: Carton
Thread: Metric
Application: Connection in steel structure installation project.
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