Unifix Screw Cup Washers - Grey
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The RangeUnifix A2-304 St/St Screw Cup Washers - No 8 - Box Of 1000 - Grey
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eBayUnifix A2-304 St/St Screw Cup Washers - No 8 - Box of 1000
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DebenhamsUnifix Unisex Silver A2-304 St/St Screw Cup Washers - No 8 - Box Of 1000 In
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B&QB&Q - A2-304 St/st Screw Cup WashersNo 8Q201900000080000000Box Of 1000
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Product Information
Full details
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.
All features
| Colour | Grey |
|---|---|
| Model Part Number | 1261730 |
| Brand | Unifix |
Extended Product Information
FAQs
Are these washers suitable for marine environments?
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.
Can I use these with No 10 screws?
No, these are specifically designed for No 8 screws. Using larger screws will prevent them from fitting into the cup properly.
Is the grey finish a coating or the metal color?
The product is designed with a grey finish consistent with standard industrial stainless steel aesthetics.
How many washers are included in the box?
Each box contains exactly 1000 washers.
Do these washers prevent the screw from vibrating loose?
While they improve load distribution, they are not a substitute for locking washers. If vibration is a concern, consider using a thread-locking compound.
Troubleshooting
Screw does not sit flush in the washer
Verify that you are using a standard No 8 screw. If the screw head is too large, the cup will not seat correctly.
Washer appears slightly deformed after tightening
Reduce the torque on your power drill. Over-tightening can crush the stainless steel cup against the substrate.
Pros and Cons
Pros
- High-grade A2-304 stainless steel offers excellent rust prevention
- Bulk pack of 1000 units provides high value for frequent users
- Ensures a clean, professional aesthetic for exposed screw heads
- Reduces the risk of surface damage or splitting during tightening
Cons
- Specific to No 8 screws, limiting compatibility with other sizes
- Grey finish may not match all decorative surface materials
- Requires proper drive bit depth to ensure the screw sits flush in the cup
Setup, Compatibility & Care
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.