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The Unifix Screw Cup Washers are designed for professional contractors and DIY enthusiasts who require a secure, clean finish for their fastening projects. These stainless steel washers provide superior load distribution and corrosion resistance, ensuring fasteners remain stable and protected against the elements. While they are specifically engineered for No 8 screws, users should note that they are finished in a grey aesthetic, which may require matching if visual uniformity across a specific surface is the primary goal.
| Colour | Grey |
|---|---|
| Model Part Number | 1261730 |
| Brand | Unifix |
They are made of A2-304 stainless steel, which offers good corrosion resistance. However, for direct salt-water immersion, A4-grade stainless steel is generally recommended.
No, these are specifically designed for No 8 screws. Using larger screws will prevent them from fitting into the cup properly.
The product is designed with a grey finish consistent with standard industrial stainless steel aesthetics.
Each box contains exactly 1000 washers.
While they improve load distribution, they are not a substitute for locking washers. If vibration is a concern, consider using a thread-locking compound.
Verify that you are using a standard No 8 screw. If the screw head is too large, the cup will not seat correctly.
Reduce the torque on your power drill. Over-tightening can crush the stainless steel cup against the substrate.
For optimal results, use these washers with standard No 8 screws. To install, place the washer onto the screw before driving it into the pilot hole. Use a manual screwdriver or a drill set to a low-torque setting to avoid over-tightening, which could deform the cup washer. Since the washers are made from A2-304 stainless steel, they require minimal maintenance; however, keeping them dry during storage will ensure they remain free of surface debris. They are compatible with most standard wood, metal, or composite fastening applications provided the screw head diameter matches the cup dimensions.
