Description
Installation steps: 1: Use the drill bit to drill a hole of the same diameter as the expansion tube on the wall; 2: Use the brush to remove the sand in the hole. 3\uff1aFirst cut a piece of tape, stretch it, and wrap it from the expansion groove to the nut. 4: Knock the expansion screw into the installation hole. 5: Rotate and tighten, the installation is successful. Material:304 Stainless Steel. Package:6 pcs M8x60mm expansion screw anchor bolts, 1x cleaning brush ,1x tape\uff0c1x alloy drill\uff08random color \uff09 Cleaning brush is used to remove sand and soil. Electrical insulation tape is to prevent sand and soil from entering the casing. The working principle of expansion screws After driving the expansion screw into the hole on the ground or wall, tighten the nut on the expansion bolt with a wrench, and the bolt goes out. But the outer metal sleeve does not move, so the big head under the bolt expands the metal sleeve to fill the entire hole. At this time, The expansion screw cannot be pulled out. Widely used in fences, anti-theft doors and windows, rain sheds, air conditioning ra fixation, home decoration, engineering, etc. No rust, no deformation, no pollution.
