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Power Tools Direct£2.77Visit shop Timco Yellow 40035C2c C2 Clamp-Fix Multi-Purpose Premium Screws - Tx - Double Countersunk - 4.0 X 35 Box 200
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The TIMco C2 Clamp-Fix Multi-Purpose Screws are designed for professionals and DIYers undertaking timber-to-timber applications, offering a secure and efficient fastening solution. Their key benefit lies in the patented twin-cut technology and dual-angle threading, which drastically reduces timber jacking and enhances pull-out resistance for strong, reliable connections. A potential consideration is the specialized TX20 drive, requiring the correct bit for optimal performance. These screws feature a high-molecular polymer lubricant coating for reduced insertion torque, superior rust protection, and a countersunk head with ribs for a clean, flush finish.
| Colour | Yellow |
|---|---|
| Model Part Number | 40035C2C |
| Brand | TIMco |
These screws are primarily designed for timber-to-timber applications, offering strong clamping and pull-out resistance.
In most softwoods and hardwoods, pre-drilling is not required due to the twin-cut point and lubricant coating. However, for extremely dense woods or critical structural joints, pre-drilling may be beneficial.
They feature a special high-molecular polymer lubricant coating that provides up to 20 times longer rust protection compared to standard zinc plating.
Timber jacking is when wood is pushed upwards as a screw is driven. The patented twin-cut point and dual-angle threading on these screws are engineered to prevent this lifting action, ensuring a stable joint.
A TX20 driver bit is required for the precision drive recess.
The high-molecular polymer lubricant coating reduces insertion torque by up to 52%, making installation faster and requiring less effort.
Yes, their advanced rust protection makes them suitable for exterior projects where durability and resistance to the elements are important.
Ensure you are using a correct size TX20 driver bit and that it is fully seated in the screw recess. Apply firm, consistent pressure directly behind the screw head.
While designed to prevent splitting, very dense hardwoods may benefit from pre-drilling a pilot hole. Ensure the screw is entering perpendicular to the timber surface.
Confirm that the correct TX20 bit is being used and that your drill/driver has sufficient torque. Check that the lubricant coating is not excessively worn off. For very hard materials, a pilot hole might be necessary.
The ribs under the head aid countersinking. Ensure the countersink area is clear of debris. For a perfectly flush finish in softer woods, a slightly larger pre-drilled countersink may be required.
Setup: Ensure you are using a power drill or impact driver equipped with the correct TX20 driver bit. Align the screw with the timber pieces to be joined and drive the screw directly, applying steady pressure. The self-drilling point and lubricant coating minimize the need for pre-drilling in most softwoods and hardwoods, though pre-drilling may be beneficial in extremely dense woods or for critical structural joints.
Compatibility: These screws are specifically engineered for timber-to-timber applications. While they can be used in various woodworking projects, from furniture making to construction, their primary design is for joining wood members.
Care: Store screws in a dry environment to maintain the integrity of the lubricant coating and rust protection. Avoid prolonged exposure to moisture or corrosive substances. Clean any debris from the screw head after installation if aesthetic appearance is critical.
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