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Carbon Steel Expansion Bolts
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$0.10 - $0.80/ 1000 piece/pieces

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Carbon steel Expansion Bolts is a special threaded connection used to fix pipe supports/hangers/brackets or equipment on walls, floors, and columns. The grades of carbon steel bolts are divided into more than 10 grades, such as 3.6, 4.6, 4.8, 5.6, 6.8, 8.8, 9.8, 10.9, and 12.9.
Carbon steel Expansion 

Bolts installation steps 
1. Choose an alloy drill bit that matches the outer diameter of the inner expansion bolt, and then drill the hole according to the length of the inner expansion bolt. Drill the hole as deep as you need for installation, and then clean the hole . 
2. Install the flat washer, spring washer, and nut, screw the nut to the bolt and the end to protect the thread, and then insert the inner expansion bolt into the hole. 
3. Turn the wrench until the washer and the surface of the fixed object are flush. If there is no special requirement, usually tighten it by hand and then use the wrench for three to five turns.

Product name Carbon steel Expansion Bolts
Customization can be customized
Material carbon steel. Stainless steel
Surface treatment galvanized, clear
Color silver
Size m8-m30, can be customized

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