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The Range£13.35Visit shop Unifix A2-304 Stainless Steel Hexagon Bolts M8 X 75 - Q209310000800075000 - Box Of 50 - Grey
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The Unifix Hexagon Bolts are high-strength fastening solutions designed for professional contractors, engineers, and serious DIY enthusiasts who require reliable structural integrity. Crafted from A2-304 stainless steel, these bolts offer exceptional corrosion resistance for demanding indoor and outdoor environments, though they may require specialized care in highly acidic or marine-heavy coastal conditions to prevent long-term surface oxidation.
| Colour | Grey |
|---|---|
| Model Part Number | Q209310001200160000 |
| Brand | Unifix |
While A2-304 stainless steel provides good corrosion resistance, it is generally recommended to use A4 grade stainless steel for direct exposure to high-salt marine or coastal environments.
These bolts are manufactured in accordance with the DIN 931 standard for quality and dimensional consistency.
Yes, but for best results, apply a self-etching primer to the stainless steel surface before painting to ensure proper adhesion.
A standard open-ended wrench or a socket set corresponding to the bolt head size is sufficient for installation.
A2-304 stainless steel is generally considered non-magnetic, though slight magnetism may occur due to the cold-forming process during manufacturing.
Ensure you are using the correct metric wrench size and that the tool is fully seated on the head before applying force.
Check that the threads are clean and free of debris. Ensure the bolt is aligned straight to prevent cross-threading.
To ensure maximum longevity and performance, always match the bolt diameter and length to the pre-drilled pilot hole requirements of your specific application. When tightening, use a properly sized wrench to prevent slipping or stripping of the bolt head. Avoid using high-impact tools that can exceed the material's torque specifications. To maintain the finish in outdoor settings, it is recommended to periodically clean the bolt heads to remove debris or salt accumulation. If installing into masonry, ensure the use of appropriate anchors or plugs compatible with stainless steel hardware to prevent galvanic corrosion.
