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The Unifix A2-304 Stainless Steel Hexagon Setscrews are ideal for both professional tradespeople and DIY enthusiasts seeking a reliable, corrosion-resistant fastening solution for construction and repair projects. Featuring a durable hexagon head design, these screws allow for secure tightening using standard wrenches or sockets, ensuring long-lasting structural integrity in various environments. While they provide excellent weather resistance due to the A2-304 grade material, they are not intended for use in high-salinity marine environments where A4 grade stainless would be required.
| Colour | Grey |
|---|---|
| Model Part Number | 1260476 |
| Brand | Unifix |
No, these are A2-304 grade stainless steel, which is not suitable for harsh marine/saltwater conditions. Use A4 grade stainless for those applications.
Yes, if fastening into wood, a pilot hole is recommended to prevent splitting the material.
Unifix setscrews typically feature a full-thread design (DIN 933), meaning the thread runs all the way to the head.
Yes, they can be used with impact drivers or drill-drivers equipped with a socket adapter, provided the torque is managed to prevent snapping.
In standard outdoor and indoor environments, they will resist rust significantly better than zinc-plated screws. They may develop light surface marks in extreme, aggressive chemical or coastal air environments.
Back the screw out and clean the threads of any debris. If the resistance persists, apply a small amount of thread lubricant to reduce friction.
Ensure you are using the correct size socket or wrench. Do not use an adjustable wrench if a fixed-size socket is available.
To ensure proper installation, identify the required metric diameter and pitch that matches your existing nut or threaded hole. Use a well-fitting wrench or socket to prevent marring the finish. When tightening into stainless steel, consider using a thread lubricant to prevent cold welding or galling. While A2-304 stainless is resistant to rust, it is not immune to surface tea-staining in extreme conditions. To maintain their appearance, occasionally wipe down exposed heads with a clean, dry cloth to remove surface contaminants or dust.
