[M8*80 10pcs]
Specifications: Color: Silver Material: Stainless Steel Dimensions: M8*50-12/M8*60/M8*70/M8*80/M8*90/M8*100/M8*120/M8*150 Using principle: expansion is created by tightening the screw bolt. This allows the sleeve to expand to the barb to oppose to the wall. Application: Extension screw hook bolts can be used to secure water heaters, air conditioners, canopies and other heavy household items. Package: 10 x M8 Expansion Bolt Installation Method : 1 Use a drill bit to drill holes in the same diameter as the wall extension tube. 2. Install the fixing part with bolts punched holes on the fixed object. 3. Knock the expansion screw set (along with the fixed object) into the hole. 4. Tighten the screws with a wrench, and the mother of the cone widen the inflation tube. Thank you for your purchase!