Package: We provide 200 pieces of 35mm diameter easy fix washers in package. Inner hole diameter: 6mm. These tile backer board fixing washers are made of high-quality metal, sturdy, durable, and easy to use. Suitable for all kinds of wall materials, resistant to vibration, weathering, moisture, cold and heat resistance, etc. Easy to Install: Our washer can be grip tightly into the surface after secured with the appropriate steel screws. The perforation of the fixing disk allows the adhesive or plaster to stick to the board's surface, as well as minimizing the risk of surface delamination or damage. Application: Used for insulation boards, tile backer boards, gypsum boards, composite boards extruded plates, or just fixing construction boards to frames.
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