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The Range£5.50Visit shop Unifix Class 8 Full Nuts Din 934 & Form A Washers Din 125A Bright Zinc Plated - M6 (Box Of 100) - White
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The Unifix Class 8 Full Nuts and Form A Washers are designed for professional tradespeople and DIY enthusiasts who require reliable, high-strength fastening solutions for structural and assembly projects. These M12 components offer robust performance thanks to their Class 8 rating, making them ideal for heavy-duty applications, though users should ensure they are used in compatible environments where high-tensile steel hardware is specified.
| Colour | Silver |
|---|---|
| Model Part Number | 1427115 |
| Brand | Unifix |
Class 8 refers to the property class of the steel, indicating a specific level of tensile strength and hardness suitable for general engineering applications.
No, this pack contains only the M12 Full Nuts and the matching Form A Washers.
No, these are high-tensile steel fasteners with a silver-colored finish for standard durability.
Class 8 is generally acceptable for many automotive structural uses, but you must always refer to the vehicle manufacturer's specifications for the required bolt/nut grade.
DIN 934 is the German industrial standard for hexagon nuts, ensuring that the dimensions and thread pitches are consistent across different manufacturers.
No, these nuts and washers are sized specifically for M12 threads and will not fit bolts of different diameters.
Check the bolt threads for damage or paint buildup. Ensure the bolt size is definitely M12 and that you are not cross-threading.
Clean the surface with a wire brush and apply a protective rust-inhibitor or clear spray paint to seal the metal from moisture.
For optimal performance, ensure that the mating bolt is also rated for Class 8 strength to maintain a uniform safety factor across the assembly. When installing, place the Form A washer onto the bolt first, followed by the nut. Hand-tighten until snug, then use a suitable spanner or socket wrench to achieve the final torque. To maintain the life of the components, keep the fasteners clean and free from debris before assembly. If the fasteners will be exposed to moisture, consider applying a light machine oil or anti-seize compound to the threads to prevent oxidation and ensure future disassembly is possible.
