Würth’s Wing Repair Washers are precision-manufactured to DIN 522 standards, providing consistent thickness control and surface protection in light-duty applications, including passive fire protection assemblies where correct load distribution and substrate integrity are critical. With a zinc-plated, blue passivated finish, they are suited to interior or sheltered environments where maintaining system performance and compliance is essential.
These washers are also fully compatible with PROMATECT® H fire rated boards, helping to reinforce fixing points without compromising board structure.
Key Features:
- Size: 30mm
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DIN 522 compliant wing design for accurate thickness and stable mounting
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Zinc-plated, blue passivated steel (A2K) for corrosion resistance in internal environments
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Ideal for use with PROMATECT® H – helps prevent surface damage and improves fastener performance in mineral board applications. Please check with Progressive Materials for correct application
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Helps repair or reinforce thin or fatigued mounting surfaces
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Distributes load evenly to reduce risk of board deformation or pull through
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Suitable for gap compensation, especially in fire rated board or metal installations
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Available in various diameters and thicknesses for tailored applications
Progressive Materials is an authorised Würth Re seller.
