Unifix Square Plate Round Hole Washers - M8 x 40 x 3.0 - Silver

The Unifix Square Plate Round Hole Washers are designed for reliable fastening in various construc...

Best current price£11.78from The Range

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The RangeUnifix Square Plate Round Hole Washers Bzp M10 X 40 X 3.0 - Vps 40 3 10 081 - Box Of 100 - Silver
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£11.78
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eBayUnifix Square Plate Round Hole Washers BZP M10 x 40 x 3.0 - Box of 100
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£12.37
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B&QB&Q - Square Plate Round Hole Washers Bzp M10 X 40 X 3.0Vps 40 3 10 081Box Of 100
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£13.50
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DebenhamsUnifix Unisex Silver Square Plate Round Hole Washers Bzp M12 X 40 X 5.0 In
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£17.55
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Product Information

Full details

The Unifix Square Plate Round Hole Washers are ideal for DIY enthusiasts and professionals seeking reliable fastening for construction and repair projects. These washers provide superior load distribution compared to standard circular washers, ensuring enhanced structural integrity for your connections. A notable caveat is that they are specifically sized for M8 bolts, so users must verify bolt compatibility before beginning their assembly to ensure a secure fit.

All features

ColourSilver
Model Part Number1316985
BrandUnifix

Extended Product Information

FAQs

Can I use these for outdoor projects?

Yes, the bright zinc plated finish provides good corrosion resistance, making them suitable for outdoor use.

Will these work with M10 bolts?

No, these are specifically designed for M8 bolts and will not fit larger hardware.

Can these washers be painted?

Yes, you can paint them to match your project, though it is recommended to use a primer compatible with galvanized or zinc surfaces.

What is the material thickness?

These specific washers have a thickness of 3.0mm.

Are these washers reusable?

Yes, they can be reused as long as they are not deformed or showing significant signs of rust.

Troubleshooting

Washer does not fit the bolt

Ensure you are using an M8 sized bolt. These washers are precision-machined for this specific diameter.

Surface shows signs of oxidation

Clean the surface with a non-abrasive cloth and consider applying a light coat of machine oil to protect the finish.

Pros and Cons

Pros

  • Superior load-bearing surface area
  • Excellent corrosion resistance from zinc plating
  • Easy to align and install on M8 bolts
  • Prevents fastener pull-through in softer substrates

Cons

  • Limited to M8 bolt size compatibility
  • May be too large for tight or recessed spaces
  • Not intended for high-heat environments

Setup, Compatibility & Care

Installation is straightforward: slide the washer onto the M8 bolt shank before threading on your nut. Ensure the square plate is centered to achieve maximum load distribution. These washers are fully compatible with any standard M8 hardware. To maintain the integrity of the zinc finish, avoid using tools that might scratch the surface coating. If you notice signs of environmental debris buildup, simply wipe the washers with a clean, dry cloth to keep them free from moisture-trapping particles.

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