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B&Q£25.93Visit shop B&Q - Walcur Spengler Screw Stainless SteelRoofing Screw With Rubber WasherPack Of 100
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The Gezu Impex Walcur Spengler Screws are an ideal choice for contractors and DIY enthusiasts working on roofing, facade construction, or outdoor mounting projects that require a moisture-proof seal. These fasteners provide a durable, watertight connection thanks to their integrated EPDM washers, though they are specifically engineered for metal-to-timber or similar substrates and may not be suitable for heavy structural steel applications.
| Colour | Silver |
|---|---|
| Brand | Gezu Impex |
This specific variant features a silver finish, but check the product specifications if you require specific corrosion-resistant stainless steel grades for high-salt coastal areas.
No, these screws are designed for wood or metal-to-wood applications and are not suitable for masonry or concrete.
The package includes 100 screws; check the contents or purchase a dedicated TX20 bit separately if needed.
The EPDM rubber washer acts as a gasket to prevent water and debris from entering the hole created by the screw.
The silver finish is designed to be decorative; while you can paint them, ensure the paint is compatible with the surface material to avoid peeling.
While self-tapping, very dense woods may still require a small pilot hole to prevent snapping.
Verify the washer is seated flat against the surface and ensure the screw was not over-tightened, which can warp the metal sheet.
Ensure the bit is fully seated in the head and replace the bit if it shows signs of wear or rounding.
To ensure the best performance, use a quality TX20 drill bit to avoid stripping the screw head. When driving the screws, ensure they are inserted perpendicular to the surface; driving at an angle may cause the EPDM washer to seat unevenly, which compromises the watertight seal. While these screws are designed for durability, avoid using high-impact drivers at maximum torque to prevent damage to the washer or the screw threading. Store the screws in a dry environment to keep the EPDM rubber supple for easier installation.
