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Expansion bolt is a special threaded connection used to fix pipeline supports/hangers/brackets or equipment to walls, floors, or columns. The grades of carbon steel bolts are divided into 3.6, 4.6, 4.8, 5.6, 6.8, 8.8, 9.8, 10.9, 12.9, etc
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Expansion bolt is a special threaded connection used to fix pipeline supports/hangers/brackets or equipment to walls, floors, or columns. The grades of carbon steel bolts are divided into 3.6, 4.6, 4.8, 5.6, 6.8, 8.8, 9.8, 10.9, 12.9, etc