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eBay£19.41Visit shop Unifix Grade 12.9 Socket Head Cap Screws M10 x 40 - Box of 100
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Debenhams£20.10Visit shop Unifix Unisex Silver Grade 12.9 Socket Head Cap Screws - Box Of 100 In
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These Unifix Socket Head Cap Screws (M10 x 40, Silver) are designed for users requiring high-strength fastening solutions in mechanical and structural applications. Their key benefit is exceptional durability and reliable performance, due to their Grade 12.9 material and corrosion-resistant finish. A potential consideration is that their specialized nature means they are best suited for specific high-load scenarios rather than general-purpose use.
| Colour | Silver |
|---|---|
| Model Part Number | 5014196343440 |
| Brand | Unifix |
Grade 12.9 is a high-strength classification for metric fasteners, indicating superior tensile strength and performance compared to lower grades like 8.8 or 10.9.
Socket head cap screws allow for a clean, flush finish when installed in counterbored holes and provide a strong driving engagement for high torque applications.
The Bright Zinc Plated finish offers good corrosion resistance for general outdoor use, but prolonged exposure to harsh weather or salt spray may eventually lead to degradation.
Typically, an M10 socket head cap screw requires an 8mm hex key.
Yes, their high strength (Grade 12.9) makes them suitable for many structural applications where significant load is applied.
Yes, like most steel fasteners, these screws are magnetic.
Ensure you are using the correct size hex key. If stripped, specialized extraction tools may be required.
Check that the receiving thread is clean and free of debris. Verify it is an M10 tapped hole or compatible nut.
Confirm you are using the appropriate torque for the application. Ensure the mating threads are not damaged and are of the correct size.
Setup:
To install these screws, ensure you have the correct size hex key (Allen wrench) for the M10 socket head. Insert the screw into the pre-drilled and tapped hole or through the component being fastened. Tighten using the hex key until snug, applying torque according to the specific application's requirements to avoid over-tightening or stripping.
Compatibility:
These screws are designed to mate with M10 nuts or M10 tapped holes. Ensure the material you are fastening into can support the high clamping forces generated by Grade 12.9 screws. Compatibility is high with standard M10 receiving threads and components intended for metric fasteners.
Care:
While the Bright Zinc Plated finish offers corrosion resistance, it is advisable to avoid prolonged exposure to highly corrosive environments. For long-term storage or use in humid conditions, consider applying a light coat of oil. Clean with a dry cloth to remove dust or debris. Avoid abrasive cleaners that could damage the plating.
