300 Pieces Tile Backer board Washers, 35mm Diameter Washers for Screws with Six Holes, Metal plasterboard and thermal insulation backing

35mm Size: The Tile Backer Board Washers adhere to the 35mm standard specification, Perfectly matching the thickness of mainstream building boards to meet everyday usage requirements Premium Materials: This Washers for Screws a multi-layer galvanisation process to form a dense protective coating, ensuring long-lasting durability, Its surface undergoes anti-corrosion treatment, Effectively resisting corrosion Hexagonal Claw Structure: This Insulation Washers Features an innovative hexagonal claw extension design, Distributing clamping pressure evenly through multi-point support to prevent localised stress concentration that could cause panel deformation Widely Applicable: This Metal Washers has undergone rigorous testing to confirm compatibility with common building materials such as insulation boards and plasterboard, Making it suitable for fixing to floors or walls Sufficient Quantity: Each pack contains 300 Washers, Ensuring efficient completion of wall and floor insulation systems and meeting large-scale project requirements