Hot-dip Galvanized Hex Head Bolts
Hex head bolts, Hot-dip Galvanized, Class 4.8, 8.8, 10.9 and 12.9, size M6-M64 From China Hex head bolts Manufacturer.
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Hot-dip Galvanized Hex Head Bolts , DIN 933/DIN 931, ASTM/ASME B18.2.1 , AS1111
Material: Steel ; Surface treatment: Hop-dip Galvanized;
Grade: 4.8, 8.8, 10.9 and 12.9;
Size: M6 - M64 ( M6-M30 by cold forged, size over M30 by hot forged)
Hex Head Bolts Material
| Standard | Material | Heat Treatment |
| Class 4.8 | Q235 | Without |
| Class 8.8 | SAE1035 | With |
| Class 10.9 | SAE1045#, 35CrMo | With |