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Rapid Online - Rapid Electronics Ltd.£21.00Visit shop SPAX 0467040400453 Universal Screw 4 x 45mm T-Star Plus Stainless ...
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SPAX Facade Screws are designed for professionals undertaking exterior wood cladding and facade installations. Their primary benefit is superior corrosion resistance and secure fastening in challenging outdoor environments. A potential consideration is their specific application for wood facades, requiring appropriate pilot holes for optimal performance. These 4mm x 45mm A2 stainless steel screws feature a self-drilling tip and small head for a clean, flush finish, preventing wood splitting.
| Colour | Silver |
|---|---|
| Model Part Number | 0467040400453 |
| Brand | SPAX |
These screws are suitable for a wide range of timber types commonly used in facade and cladding applications, including softwoods and hardwoods. Their design helps prevent splitting in most wood applications.
The self-drilling tip often negates the need for pre-drilling in softer woods. However, for hardwoods, or when fastening close to the edge of timber, pre-drilling a pilot hole slightly smaller than the screw's core diameter is recommended to prevent splitting and ensure easier insertion.
A2 stainless steel, also known as 304 grade, offers good corrosion resistance, making it suitable for many outdoor applications. It is resistant to atmospheric corrosion and many organic and inorganic chemicals.
The extra small lens countersunk head is designed to sink flush into the wood surface. This provides a neat, professional appearance and is particularly useful for partially concealed fastening in grooves or tongues of facade profile boards.
Each pack contains 100 SPAX Facade Screws.
While they offer good corrosion resistance, these specific facade screws are optimized for vertical facade applications. For decking, SPAX may offer other products specifically designed for the higher stress and wear associated with decking boards.
SPAX screws typically use a T-Star Plus (Torx) drive. It is recommended to use a driver bit that matches this profile for optimal grip and to prevent cam-out.
Ensure the correct driver bit is used and that sufficient torque is applied. If encountering resistance, especially in hardwood, pre-drilling a pilot hole is recommended.
Reduce driving speed and torque. Verify that a pilot hole has been drilled, especially near the edge of the timber. Ensure the screw is not being driven at an angle.
Check if the pilot hole is too large or if the wood surface is uneven. In some cases, slight over-driving can help seat the head, but be careful not to strip the drive or damage the wood surface.
While A2 stainless steel offers high corrosion resistance, prolonged exposure to aggressive environmental factors or certain wood types (e.g., high tannin content) can sometimes cause surface staining. Ensure the wood is properly seasoned and avoid prolonged contact with other dissimilar metals which could cause galvanic corrosion.
Setup: Ensure you have the correct driver bit for the screw head. While the product description doesn't specify the drive type, SPAX typically uses T-Star Plus or similar robust drives. For optimal performance and to prevent wood splitting, especially in harder woods or near edges, consider pre-drilling a pilot hole slightly smaller than the screw's core diameter. Drive the screws straight and avoid overtightening.
Compatibility: These screws are specifically designed for use with timber materials for facades and cladding. They are not intended for use in metal, concrete, or other masonry materials.
Care: Due to their A2 stainless steel construction, these screws require minimal care. However, it is recommended to keep the fasteners clean and free from excessive dirt or debris, which can trap moisture and potentially lead to staining or premature wear over long periods. Inspect fixings periodically as part of general building maintenance.
