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Power Tools Direct£3.43Visit shop Timco Yellow 50030C2c C2 Clamp-Fix Multi-Purpose Premium Screws - Tx - Double Countersunk - 5.0 X 30 Box 200
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The TIMco C2 Clamp-Fix Multi-Purpose Screws (5.0 x 30mm, Yellow) are designed for professionals and serious DIYers seeking high-performance timber-to-timber fastening. Their key benefit is preventing timber jacking for secure, stable joints, though their specialized design means they are optimized primarily for wood applications. This guide covers their advanced features, applications, and care.
| Colour | Yellow |
|---|---|
| Model Part Number | 50030C2C |
| Brand | TIMco |
Timber jacking refers to the tendency of wood fibers to be pushed apart and upward along the screw shaft during insertion, creating a gap between the timbers. The C2 Clamp-Fix screws are designed to counteract this, pulling the timbers together securely.
Yes, the Yellow Zinc and Yellow finish with advanced lubricant coating provides corrosion resistance up to 20 times longer than standard zinc plating, making them suitable for outdoor applications in rural and sheltered areas (Corrosion Rating 2). For very exposed or coastal environments, consider stainless steel options.
Yes, they are suitable for hardwoods, softwoods, chipboard, MDF, and plastic. For very dense hardwoods, pre-drilling a pilot hole is recommended to ease insertion and prevent excessive stress.
The TX25 drive (Torx compatible) offers superior grip compared to standard Phillips or slotted heads. This 'Torque-sert' system prevents cam-out (the driver bit slipping out of the screw head), allowing for higher torque application and better control.
This certification indicates that the screws meet European standards for timber structures, specifically concerning fasteners used in load-bearing applications. It assures quality, performance, and safety for construction purposes.
The countersunk head with under-head ribs is designed to countersink smoothly and flush with the wood surface without damaging the material, providing a clean finish.
Ensure you are using the correct TX25 driver bit. For hard woods, consider drilling a pilot hole. Verify that the wood is not excessively dense or wet.
Confirm you are using a proper TX25 bit and that it is fully seated in the recess. Apply firm, consistent pressure. Check if the screw is binding due to an obstruction or overly dense material.
While the point minimizes splitting, it can still occur in brittle woods or if the screw is driven too close to the edge. Consider a pilot hole or ensure adequate edge distance.
Ensure the screw has penetrated sufficiently into the second piece of timber. Check if the timber is too soft or degraded. For critical structural joints, use appropriate screw length and quantity.
While offering enhanced protection, the coating is not impervious to extreme conditions. Minor surface discoloration may occur in prolonged damp environments. Ensure screws are not stored in excessively humid conditions.
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