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Hex nut expanding bolts concrete  

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Hex nut expanding bolts concrete

Hex nut expanding bolts concrete:Select an alloy drill bit that matches the outer diameter specification of the inner expansion bolt, then drill the hole according to the length of the inner expansion bolt, drill the hole depth to the required depth for your installation, and then clean the hole. 2. Install the flat washer, spring washer and nut, screw the nut to the bolt and end to protect the thread, and then insert the inner expansion bolt into the hole. 3. Turn the wrench until the washer is flush with the surface of the fixture. If there are no special requirements, generally tighten it by hand and then use the wrench for three to five turns Product Description   Product Hex nut expanding bolts concrete Keyword expanding bolts concrete Structure…