Certification: | Crcc |
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Product Grade: | 4.6, 5.6, 8.8, 10.9 |
Usage: | Concrete Ring Connect for Tunnel |
Size: | M20, M24 and Other Size Bolt |
Surface Finish: | Plain, Black, Phosphate, Zinc, HDG |
Inspection: | Internal and 3rd Parties |
Samples: |
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Customization: |
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