Self-Locking Round Washers are used in conjunction with weld pins, insulation and lacing to fasten insulation in place. It can be used for fixing a wide range of materials on ceiling or wall, including insulation boards, foam panels, sheets, hangers, weld pins, gypsum board and other materials that require load spreading during installation.

Specification
Material: galvanized iron
Diameter: 38 mm / 1.5 inch
Thickness: 1.5mm
Packing List: 50 x Round Self-Locking Washers

Advantage
These self-locking washers are made of iron and galvanized coating, which have the characteristics of good insulation performance, strong load-bearing capacity, strong durability, and not easy to rust or age.

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 by metal washer and nail(not included).

Note:
Please check the sizing and compatibility of our self locking washers before purchasing.