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The Range£15.30Visit shop Unifix Mushroom Head Roofing Bolts And Nuts Bright Zinc Plated - M6 X 70 (Box Of 125) - Blue
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The Unifix Mushroom Head Roofing Bolts and Nuts are designed for contractors and DIY enthusiasts who require reliable, heavy-duty fastening solutions for roofing and general construction projects. These bolts feature a bright zinc-plated finish that provides high durability and resistance against corrosion, ensuring long-term structural integrity. While they offer excellent grip and a clean aesthetic through their signature mushroom head design, users should note that they are specifically sized for compatibility with M6 hardware requirements and standard tooling.
| Colour | Blue |
|---|---|
| Model Part Number | 5014196545011 |
| Brand | Unifix |
Yes, the bright zinc-plated finish is specifically engineered to resist corrosion in external and outdoor environments.
These bolts are compatible with standard manual or power tools that accommodate M6 hardware.
This specific variant comes in a bulk pack containing 125 bolts and 125 matching nuts.
Yes, they are commonly used for attaching metal roofing sheets, provided the bolt length is appropriate for your specific sheet profile.
While the head provides a wide surface area, you should use a suitable backing washer or sealing washer if the application requires a watertight seal.
While they can be unscrewed and reused, it is recommended to inspect the threads for any damage or deformation before reinstalling them in structural applications.
Check for debris in the threads and ensure the bolt is perfectly perpendicular to the nut before turning.
Ensure you are using the correct size tool for the bolt head and that the tool is fully seated before applying pressure.
This may indicate the zinc plating has been scratched during installation; treat the area with a cold galvanizing spray to prevent further spread.
To ensure optimal performance, verify that the material thickness you are fastening is compatible with the M6 bolt length. When installing, use a standard wrench or socket to tighten the nut until the washer or head is flush against the surface. Avoid excessive force, which may strip the threads. For long-term maintenance, inspect the bolts annually in high-humidity areas to ensure the zinc coating remains intact. If you notice any signs of white oxidation, clean the area gently and apply a light protective clear coat to maintain the finish.
