8 PCS Expansion Eye Bolts Heavy Duty Anchor Bolts (M10*80)

• 【Premium】: The eye-shape expansion screw is made of high-quality carbon steel zinc, which is strong and durable.
• 【Model】: M10*80 mm (diameter 8mm, length 80mm).
• 【Robust】: The annular expansion screw uses bolts to pull out shape of tapered vertebrae. And it would expanse in the hole, which is held more firmly than traditional screws.
• 【Installation】: Use an impact drill to drill a hole of the corresponding size in the fixed body; put the expansion bolt into the hole, and use the plate hand to tighten the nut.
• 【Uses】: It is widely used in protective fences, doors and windows, canopies, engineering, fastening on cement, bricks and other materials.

Operating Procedure: Insert the expansion screw into the hole in the ground or wall, and then tighten the nut of the expansion bolt with a wrench. When the metal sheath does not move, the bolt moves outward. Then the head with larger bolts will enlarge the metal sheath so that it fills the entire hole. Lastly, the expansion bolt is firmly fixed to the wall. Note: If there are a large impact, loosening may occur. Therefore, it is not recommended for installing ceiling fans, etc.