Unifix Anchor Bolts Hexagon Head - M8 x 75 - Silver

The Unifix Anchor Bolts Hexagon Head are designed for secure and reliable heavy-duty fixings. Thes...

Best current price£15.66from The Range

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The RangeUnifix Anchor Bolts Hexagon Head Bzp - M10 X 60 - Uni10060h - Box Of 50 - Grey
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eBayUnifix Anchor Bolts Hexagon Head Bzp - M10 x 60 - UNI10060H - Box of 50
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DebenhamsUnifix Unisex Silver Anchor Bolts Hexagon Head Bzp - M10 X 60 - Box Of 50 In
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B&QB&Q - Anchor Bolts Hexagon Head BzpM10 X 60Uni10060HBox Of 50
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OnBuy.comUnifix Anchor Bolts Hexagon Head Bzp - M8 X 75 - Box Of 100 5014196711911
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Product Information

Full details

The Unifix Anchor Bolts Hexagon Head are designed for professionals and DIY enthusiasts requiring a robust, reliable solution for heavy-duty structural fixings. These silver-finish bolts provide exceptional strength and corrosion resistance, making them ideal for securing heavy loads into concrete or masonry. While they offer excellent holding power, users must ensure they have the appropriate masonry drill bit size and depth before installation to achieve a secure fit.

All features

ColourSilver
Model Part Number5014196711911
BrandUnifix

Extended Product Information

FAQs

What size drill bit do I need for these M8 bolts?

You should use an 8mm masonry drill bit.

Can these be used outdoors?

Yes, they feature a corrosion-resistant finish, though regular inspection is recommended in coastal or high-moisture areas.

What tools are required for installation?

You will need a hammer, an 8mm masonry drill bit, and a suitable socket wrench or spanner.

Can I reuse these bolts?

Anchor bolts of this type are generally intended for a single, permanent installation and should not be reused if removed.

What is the total length of the bolt?

This variant is 75mm in length.

Are these suitable for fixing into drywall?

No, these are designed for solid concrete or masonry and will not function correctly in drywall or plasterboard.

Troubleshooting

Bolt spins in the hole without tightening

The hole is likely too large; ensure you are using the correct diameter masonry bit.

Bolt cannot be fully inserted

Clear dust and masonry debris from the hole or check that the hole depth is sufficient.

Masonry cracking during installation

The hole may be too close to the edge of the material; always ensure adequate spacing from edges.

Pros and Cons

Pros

  • High-torque hexagon head for easy installation
  • Excellent durability in heavy-duty applications
  • Corrosion-resistant finish for extended lifespan
  • Standardized sizing for broad compatibility

Cons

  • Requires precise masonry hole sizing for effective expansion
  • Not intended for non-structural light-duty mounting
  • Requires professional-grade tools for secure installation

Setup, Compatibility & Care

Proper installation is critical for the performance of anchor bolts. Start by drilling a hole in the masonry surface using an M8 masonry drill bit; ensure the hole depth is slightly deeper than the 75mm bolt length to allow for debris clearance. Clear all dust from the hole before insertion. Tap the bolt into place with a hammer, then use a socket wrench to tighten the hexagon head until firm. Avoid over-tightening to prevent damaging the masonry substrate. For long-term care, inspect the bolt head periodically in high-moisture environments to ensure the anti-corrosion coating remains intact.

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