PATIKIL 122mm Perforated Insulation Pins, 30 Pack Insulating Nails Wall Plug Plastic Expansion Bolt for Fixing Foam Boards to Masonry Wall or Ceiling

Material: Plastic, Steel; Diameter: 8mm / 0.32 inch; Max Diameter: 60mm / 2.4 inch; Nail Length: 114mm / 4.5 inch; Total Length: 122mm / 4.8 inch; Packing List: 30 x Polypropylene Washers
Advantage: Made from durable polypropylene material, our washers are built to last and won't break easily. The leaf of the expansion tube is warped to prevent rotation and increase the fixing force
Instruction: 1. Put your insulation board on wall or ceiling. 2. Drill a hole on the insulation board and wall. 3. Fix the insulation board to the wall. Put the plastic expansion bolt in the hole firstly and then insert the steel nails into the plastic expansion bolt with hammer (not included).
Application: Our Washers can be used for fixing a wide range of materials on ceiling or wall, including insulation boards, foam panels, sheets, and other materials that require load spreading during installation.
Note: Please check the sizing and compatibility of our polypropylene washers before purch