Diall M8 Roofing Bolt & Nut - Pack Of 10

This pack of 10 zinc plated roofing square nuts and bolts are constructed from durable carbon stee...

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B&QB&Q - M8 Roofing Bolt & Nut (L)100mmPack Of 10
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Product Information

Full details

This pack of 10 Diall M8 roofing bolts and nuts is designed for DIY enthusiasts and general construction tasks requiring secure fastening. Its key benefit is the durable zinc-plated carbon steel construction ensuring rust resistance and strength for outdoor applications. A potential caveat is that the M8 diameter may not be suitable for extremely heavy-duty structural applications.

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BrandDiall

Extended Product Information

FAQs

What material are these bolts made from?

They are constructed from durable carbon steel with a zinc-plated finish for corrosion resistance.

What is the diameter and length of these bolts?

The bolts have an M8 diameter and a length of 100mm.

Are these bolts suitable for structural load-bearing applications?

While they are strong for general DIY, they are typically intended for non-heavy-duty structural applications. For critical load-bearing structures, consult with a structural engineer or use fasteners specifically rated for such purposes.

How many bolts and nuts are included in the pack?

Each pack contains 10 bolts and 10 corresponding nuts.

Can I use these outdoors?

Yes, the zinc plating provides good protection against weather and corrosion, making them suitable for outdoor use.

What tools do I need to install these?

You will typically need two wrenches or a socket set, usually 13mm, to tighten the nut against the bolt.

How should I clean these bolts if they get dirty?

Use a damp cloth to wipe them clean. Avoid using abrasive cleaners or harsh chemicals that could damage the zinc plating.

Troubleshooting

Bolt won't thread into the nut

Ensure the bolt and nut are the correct M8 size and that the threads are not damaged or cross-threaded. Check for any debris in the threads.

Bolt is too short for the application

This pack is designed for specific material thicknesses. For thicker materials, consider longer M8 bolts.

Nut is difficult to tighten

Check that the bolt is straight and the holes in the materials are properly aligned. Ensure no debris is obstructing the threads.

Visible rust appearing on the surface

This can occur if the zinc plating is scratched or damaged. Clean the area gently and consider applying a suitable metal primer and paint for protection if it's a minor imperfection.

Pros and Cons

Pros

  • Durable carbon steel construction for longevity.
  • Zinc plating offers good corrosion resistance.
  • Standard M8 size for wide compatibility.
  • Pack of 10 provides good value for multiple uses.
  • Suitable for various DIY and roofing projects.

Cons

  • May not be suitable for very heavy-duty structural applications.
  • 100mm length may be too long for some thinner materials.
  • Requires appropriate tools (wrenches) for installation.
  • Carbon steel, while strong, can be susceptible to severe corrosion if plating is damaged.

Setup, Compatibility & Care

Setup:

  1. Ensure you have the correct size wrenches or socket set (typically 13mm for M8 nuts and bolt heads).
  2. Drill pilot holes in the materials to be joined. The hole diameter should be slightly larger than the bolt's M8 diameter for easy insertion.
  3. Insert the bolt through the aligned holes in the materials.
  4. Thread the nut onto the bolt by hand.
  5. Use wrenches to tighten the nut securely onto the bolt, ensuring the materials are held firmly together.

Compatibility:

  • Material Thickness: The 100mm length is best suited for joining materials with a combined thickness of approximately 70-90mm, allowing for sufficient thread engagement with the nut.
  • Hole Size: Designed for M8 bolts, requiring holes of approximately 8.5mm to 9mm in diameter.
  • Tools: Requires standard metric wrenches or socket sets, typically 13mm.

Care:

  • To maintain the protective zinc coating, avoid abrasive cleaners or harsh chemicals.
  • If used in exposed outdoor environments, periodically inspect for any signs of damage to the zinc plating. Minor surface rust can sometimes be addressed with appropriate metal cleaners, but significant damage may require replacement to prevent corrosion.
  • Store in a dry place when not in use.

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