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OnBuy.com£5.58Visit shop Unifix Grade 10.9 Socket Button Head Screws M5 X 12 - Box Of 200 5014196334097
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The Range£6.38Visit shop Unifix Grade 10.9 Socket Button Head Screws M5 X 10 - Box Of 200 - Grey
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The Unifix Grade 10.9 Socket Button Head Screws are high-strength fasteners designed for mechanical engineers, fabricators, and DIY enthusiasts requiring reliable structural integrity. Engineered to ISO 7380-1 standards, these steel screws provide exceptional durability for heavy-duty applications while maintaining a low-profile aesthetic. A key benefit is their bright zinc-plated finish, which offers enhanced corrosion resistance in various environments; however, users should note that they require specific hex key sizes for installation, which may not be compatible with standard screwdrivers.
| Colour | Silver |
|---|---|
| Model Part Number | 1260910 |
| Brand | Unifix |
Grade 10.9 indicates the strength of the steel; specifically, it has a minimum tensile strength of 1000 MPa and a yield strength of 900 MPa, making it suitable for structural applications.
Yes, the bright zinc-plated finish offers good corrosion resistance for standard outdoor environments, though they may eventually rust in extreme saline or highly corrosive conditions.
No, these screws feature a socket (hex) drive and require a hex key or Allen wrench for proper installation.
ISO 7380-1 is an international standard that defines the shape, dimensions, and material requirements for button head screws.
No, the screws are typically supplied as individual units or boxed quantities without matching nuts; you must source nuts that match the specific thread diameter and pitch.
Check for debris or cross-threading in the tapped hole and ensure the bolt size matches the thread pitch of the application.
Ensure you are using the correct size metric hex key and verify the hex key tip is not worn down or rounded.
To install these screws, ensure you use a high-quality hex key that matches the socket size precisely to prevent stripping the internal drive. These fasteners are compatible with standard metric-threaded nuts and tapped holes. To maintain the life of the zinc plating, avoid using harsh acidic cleaners. If the screws are exposed to harsh outdoor conditions, applying a light coat of machine oil or a corrosion inhibitor can further extend their lifespan. Always confirm the thread pitch and diameter match your equipment specifications before starting installation.
