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The complete guide to concrete screws
6x150mm R-LX Concrete Flanged Screwbolt -
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SEQUAL® 130mm (Pack of 20) Easy Drive Countersunk Direct Concrete Screws. No Plugs Needed Concrete Screw Pack Countersunk Screw with Torx Head, T30 Torx Driver Bit Included in Every Screw Pack. :
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