| Available Material: | Carbon Steel, High Strength Steel, Stainless Steel |
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| Head Type: | Hexagon, Round, Square, Countersunk, Pan, Mushroom |
| International Standard: | DIN, ANSI, GB, JIS, Bsw, GOST |
| Class/Grade: | 3.6, 4.8, 5.6, 6.8, 8.8, 9.8, 10.9, 12.9 |
| Used: | Machinery, Chemical Industry, Environmental,Buildi |
| Surface Finished: | Hot Galvanizing, Black, Color-Zinc, Blue-White Zi |
| Samples: |
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| Customization: |
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