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The Range£9.04Visit shop Unifix A2-304 St/St Mudguard Washers M8 X 25 X 1.5 - Box Of 200 - Silver
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The Unifix A2-304 Stainless Steel Mudguard Washers are designed for DIY enthusiasts and professionals seeking robust, reliable fastening solutions. These M8 x 40 x 1.5 washers provide exceptional load distribution and corrosion resistance, making them ideal for heavy-duty mounting tasks where stability is critical. While they offer superior durability in outdoor environments, users should ensure the outer diameter matches the specific clearance requirements of their mounting surface to prevent obstruction.
| Colour | Silver |
|---|---|
| Model Part Number | 1316690 |
| Brand | Unifix |
These are manufactured from A2-304 stainless steel, which is standard for general corrosion resistance.
While they are corrosion-resistant, A4-316 grade stainless steel is typically recommended for direct saltwater or marine environments.
Each box contains 200 individual M8 x 40 x 1.5 washers.
They are designed to fit an M8 bolt, which has an inner hole diameter of approximately 8.4mm.
Yes, their wide surface area helps prevent loosening under vibration, though for extreme conditions, you may want to pair them with a locking nut or washer.
Consider using one of the smaller diameter variants from the Unifix range, such as the 25mm or 30mm versions.
Ensure the bolt thread pitch is compatible with the nut and that the total stack height allows for proper thread engagement.
To ensure optimal performance, verify that your bolt thread matches the M8 specification and that the 40mm outer diameter does not clash with structural ribs or recessed edges on your project. No specialized tools are required for installation; simply slide the washer onto the bolt shank before tightening it against the mating surface. Because these are A2-304 stainless steel, they require minimal maintenance. If used in a high-salt environment or near coastal areas, a periodic rinse with fresh water can help maintain the finish and prevent surface tea-staining over many years.
