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Power Tools Direct£41.32Visit shop Timco 205Ss Window Fabrication Screws - Countersunk With Ribs - Ph - Single Thread - Gimlet Tip - Stainless Steel 4.3 X 30
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This guide is for builders and DIY enthusiasts looking for reliable fasteners for uPVC window and door installations. The key benefit is the enhanced corrosion resistance and excellent performance in non-reinforced frames. A potential caveat is that these screws are specifically designed for frames without steel or aluminum reinforcement, meaning they may not be suitable for all applications. These TIMco 205SS screws offer a durable solution for fitting hardware, featuring A2-304 stainless steel construction for longevity and a design that facilitates smooth installation.
| Colour | Silver |
|---|---|
| Model Part Number | 205SS |
| Brand | Timco |
The '205SS' designation typically refers to the product model or type from Timco, with 'SS' indicating Stainless Steel construction.
Yes, they are made of A2-304 stainless steel, which provides good corrosion resistance suitable for outdoor environments, including urban and industrial areas with moderate salt exposure.
No, these screws are specifically designed for uPVC frames *without* steel or aluminium reinforcement. Using them on reinforced frames may lead to poor performance or damage.
These screws have a corrosion rating of 4, indicating suitability for urban and industrial areas with a moderate salt atmosphere.
Each box contains 1,000 screws.
A gimlet point is a sharp, pointed tip designed for easy penetration into materials like uPVC, reducing the need for pre-drilling and minimizing the risk of splitting.
For uPVC frames without reinforcement, pre-drilling is generally not required due to the gimlet point. The screw can usually be driven directly.
Ensure the gimlet point is sharp and undamaged. If resistance is still high, consider a very small pilot hole (e.g., 2mm) in tough uPVC, but this is rarely necessary.
Check that the countersink in the hardware is adequate. Ensure the correct size screwdriver bit is used to avoid stripping the head. If the hole in the uPVC is slightly oversized, the screw may not pull down flush.
Verify the screw is fully seated and not spinning. Ensure the uPVC frame material is solid and not degraded. Double-check that the screw is the correct type for the material and application (i.e., not for reinforced frames).
While A2-304 stainless steel offers high resistance, extreme conditions or contamination can still cause minor surface discolouration. Clean with a non-abrasive cleaner. If severe corrosion occurs, the screw may not be performing as expected for the environment, and a higher grade of stainless steel or alternative fastener might be needed.
Setup: These screws are designed for direct use. Ensure you select the appropriate screwdriver bit (typically a PZ2 or similar) that fits the screw head snugly to prevent cam-out. Pre-drilling is generally not required for uPVC frames without reinforcement, thanks to the gimlet point. Drive the screw until the head is flush with the surface of the uPVC or the hardware being attached.
Compatibility: Primarily intended for fitting hardware (handles, locks, hinges, etc.) to uPVC window and door frames that *do not* contain steel or aluminum reinforcement. They are suitable for environments with moderate corrosion potential, including urban and industrial areas with a moderate salt atmosphere.
Care: As these screws are made of A2-304 stainless steel, they require minimal care. However, to maintain their appearance and ensure longevity, avoid using abrasive cleaning agents or tools that could scratch the surface. Periodically clean the hardware and surrounding frame with a damp cloth and mild detergent. Ensure any hardware attached with these screws is also suitable for outdoor or corrosive environments to maintain overall system integrity.
