Tile Backer Board Screws and Washers Kit - 100 PCS 3.5x30mm Screws with 100 PCS 35mm Metal Washers for Insulation, Cement Board, Shower Pan Installation（4-Hole Washer）

• 【Maintain Flat Surface】Tile Backer Board Washers' countersunk design ensures the screw head is pulled into the tile backer board while keeping the outer edge flush, facilitating easy application of subsequent layers.
• 【Enhanced Adhesion】Heat Shield Repair Kit perforated surface allows maximum exposure of the insulation board, promoting strong adhesion of standard adhesives and plasters, reducing the risk of surface delamination or damage.
• 【Durable Construction】Crafted from high-quality galvanized steel, these washers for screws are sturdy, resistant to deformation, wear, and corrosion, ensuring long-lasting performance even after installation.
• 【Insulating Fixings】Package includes 100 insulation washers (36mm diameter) and 100 self-tapping screws (30mm length) to meet various fixing needs in daily life.
• 【Wide Application】Tile backer board washers with screws are ideal for use with insulation board, tile backer board, gypsum board, plasterboard, composite board, XPS insulation, and celotex, ensuring compatibility with diverse materials as backer board washers.

Product Information: Durable backer board washers resist rust, ensuring secure mounting for tile backer boards and insulation washers. Optimized washers for screws enhance adhesion, offering flawless layering for DIY and construction projects. Features: Product Usage Scenarios: 1. Securely attach tile backer board with washers for screws to ensure a flush, professional finish. 2. Use insulation washers for effortless board fixing, complete with 36mm washers and 30mm screws. 3. Reliably install tile backer board washers for improved durability and rust resistance in humid environments. 4. Prevent surface cracks by pairing backer board washers with adhesives for optimized bonding strength. 5. Multi-purpose backer board washers simplify fixing plasterboards, panelling, or tile backer board for any project. Specifications: Color: Silver Material: Galvanized Steel Product Size: See the picture above Quantity: 200 Pcs Package Include: 100 Pcs *Screws 100 Pcs *Washers