8X NUZAMAS M8 Expansion Screw Bolts Open Cup Hook 304 Stainless Steel Anchor Bolts with Open Hook Sleeve Screw for Wall Masonry Concrete Expansion Heavy Duty Bolts

This open hook anchor bolt for wall expansion is made of high quality 304 stainless steel, strong, durable and durable; In addition, it is rust and corrosion resistant, suitable for indoor and outdoor use and for long-term use. It is easy to use, you only need a hammer drill to drill a hole in the wall that is the same size as the expansion pipe. Then put the spreader hook into the hole and tighten the hex nut. It comes with an open hook design that is generally and easy for different applications. Installation method: Drill a hole of the same size as the expansion pipe into the wall with a hammer drill. Insert the expansion hook into the hole, then tighten the hex nut with a wrench. After exposure to force, the shell expands and the tail fin hangs on the wall. Widely used: suitable for indoor or outdoor use, concrete, masonry and ceilings, construction, fences, anti-theft doors and windows, canopies, air conditioning, home textiles, engineering, rain shed; use in steel wire, chain etc. on concrete, brick and other materials attachment. Specifications: Screw size: M8 total length: 100 mm. Length of expansion pipe: 40 mm. Drill size: 12 mm. Note: Expansion dowels must be installed on a relatively hard surface, and the soft and slightly sloping areas are unstable, such as the limescale floor gap of the wall. All expansion pipes should enter the wall. As long as the threaded part is long enough, the sleeve part becomes deeper and stronger. There may be manual measurement differences. Package Included: 8 x NUZAMAS M8 304 Stainless Steel Hiking Extension Anchor Bolts with Open Hook