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Power Tools Direct£4.28Visit shop Timco Yellow 50040C2c C2 Clamp-Fix Multi-Purpose Premium Screws - Tx - Double Countersunk - 5.0 X 40 Box 200
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B&Q£8.57Visit shop B&Q - C2 Clamp-Fix Multi-Purpose Premium Countersunk Gold Woodscrews5.0 X 40 (200Pcs)
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The TIMco C2 Clamp-Fix Multi-Purpose Screws are engineered for demanding timber-to-timber applications, offering exceptional holding strength and reduced insertion effort. Ideal for carpenters, joiners, and DIY enthusiasts, these 5.0 x 40mm screws feature patented twin-cut technology and a high-molecular polymer lubricant coating that significantly lowers driving torque. While offering superior rust protection and preventing timber jacking, users should ensure they are using the correct TX25 driver bit to avoid cam-out.
| Colour | Yellow |
|---|---|
| Model Part Number | 50040C2C |
| Brand | TIMco |
Their primary advantage is the combination of engineered precision for timber-to-timber applications, significantly reduced insertion torque, and superior rust protection.
The patented twin-cut point technology and self-countersinking ribs are designed to minimize or eliminate the need for pre-drilling in many timber applications. However, for very hard woods or near edges, a pilot hole might still be beneficial.
Timber jacking is the tendency for timber to lift or separate as a screw is driven. The C2 Clamp-Fix screws are engineered to counteract this force, keeping the timbers tightly joined.
These screws offer up to 20 times longer rust protection than standard zinc-plated screws.
You need a TX25 driver bit for optimal performance and to prevent cam-out.
These screws are specifically engineered for timber-to-timber applications and are not recommended for metal.
The screws are 5.0mm in diameter and 40mm in length.
Ensure you are using a TX25 driver bit and that it is fully seated in the screw recess. Apply firm, consistent pressure.
While designed to prevent splitting, extremely hard or brittle timber may still be susceptible. Consider pre-drilling a small pilot hole, especially near the edge of the timber.
Check that the lubricant coating has not been compromised by excessive friction or contamination. Ensure the timber is not excessively dense or obstructed.
Ensure the countersink action is not impeded by the timber's surface. The under-head ribs require a clean driving path to function effectively.
Setup: To use the TIMco C2 Clamp-Fix screws, ensure you have a power driver or screwdriver equipped with a TX25 bit. Insert the screw into the desired timber-to-timber joint and drive it in until it is flush with the surface. The under-head ribs will assist in creating a clean countersunk finish. For best results, ensure the timber is clean and free of debris.
Compatibility: These screws are specifically designed for timber-to-timber applications. They are compatible with most common power drivers and standard drills. Ensure your driver bit is a TX25 to achieve a secure fit and prevent cam-out.
Care: While the screws offer superior rust protection, for maximum longevity in harsh external environments, consider applying a suitable wood preservative or sealant to the surrounding timber. Store unused screws in a dry environment to maintain the integrity of the lubricant coating.
