Product
The Coquille hermétique galvanisé-bitumeux 22x9mm is a set of 100 bitumen-coated, galvanized shells designed to provide a watertight seal in industrial and construction assemblies, particularly where enhanced moisture protection and durability are required.
Specifications
- Features a dual-layer construction combining galvanized steel for structural integrity and a bitumen coating for superior sealing.
- Designed for corrosion resistance and extended outdoor lifespan, suitable for harsh environments.
- Dimensions: 22 mm outer diameter, 9 mm inner diameter.
- Compatible with standard bolts and washers in roofing or cladding systems.
- Sold in packs of 100 pieces for convenient bulk applications.
Usage
Install the bitumen-galvanized shell washer between the bolt head or nut and the securing surface. Its bitumen layer compresses under pressure to create a moisture-proof and dust-resistant barrier, commonly used in roofing, facade panels, and other applications requiring sealed fastenings.
FAQ
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What is the main function of the shell washer?
The primary function is to provide a watertight seal and resist corrosion in fastened joints.
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Can these washers be used outdoors?
Yes, the galvanized steel and bitumen coating ensure longevity and resistance to weather when installed correctly.
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Are they compatible with all bolt types?
They are compatible with most standard bolts matching the 9 mm inner diameter specification.
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What environments are these washers suitable for?
Ideal for construction, roofing, cladding, and environments subject to water, humidity, or corrosive agents.
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How many washers are included in one package?
Each package contains 100 pieces for bulk or repeated use.
mvm-dt-2025-07-07