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Forgefix Spectre Coach Screw - Multicolor - M8 X 40mm

Forgefix Spectre Coach Screw - Multicolor - M8 X 40mm

Spectre™ Advanced Coach Screws are three times faster than a regular coach screw. They have a hex ...

Best current price£8.87from OnBuy.com

Colour
BrownMulticolorYellow

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OnBuy.comForgefix Spectre Coach Screw 5063750802206
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B&Q - Forgefix Spectre Coach Screw Multi Colour (M8 X 40mm Box 50)
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The RangeForgefix Spectre Coach Screw - Multi Colour
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Product Information

Full details

The Forgefix Spectre Advanced Coach Screw is designed for professionals and serious DIYers who need to fasten timber constructions quickly and securely. Its primary benefit is its advanced design, allowing for up to three times faster installation compared to standard coach screws by often eliminating the need for pilot holes. A minor consideration is that very hard woods may still require pre-drilling. Key features include a hex flange head, a 60-degree deep single thread, a quick-start type 17 slash point, and a durable Zinc Yellow anti-corrosion coating.

All features

ColourMulticolor
Model Part NumberM8 X 40mm
BrandForgefix

Extended Product Information

FAQs

Do I always need to pre-drill with Spectre Coach Screws?

No, the type 17 slash point is designed to eliminate the need for pilot holes in most common softwood and engineered timbers. However, very hard woods may still require pre-drilling.

What is the advantage of the hex flange head?

The hex flange head provides a larger bearing surface area, which distributes the load more effectively and helps to pull timbers together securely without damaging the wood surface.

Are these screws suitable for outdoor use?

Yes, they have a surface-hardened, anti-corrosion Zinc Yellow coating, making them suitable for external timber construction and providing good resistance to rust.

What does UKCA/CE approval mean for these screws?

This approval indicates that the screws have met the essential health, safety, and environmental protection requirements for products sold within the UK (UKCA) and the European Economic Area (CE), specifically for use in load-bearing timber construction.

What size socket driver do I need?

The specific socket driver size depends on the screw's hex head size. The M8 x 40mm screw typically uses a 13mm socket driver, but it's always best to check the packaging or product details for the exact requirement.

Can these screws be used in metal?

No, these screws are specifically designed for use in timber construction. They are not intended for use in metal.

How do I clean the screws if they get dirty?

You can typically clean them with a dry or slightly damp cloth. Avoid using harsh or abrasive cleaners that could damage the protective coating.

Troubleshooting

Screw does not start easily or requires excessive force.

The timber may be too hard for a pilot-hole-free installation. Pre-drill a pilot hole using a drill bit slightly smaller than the screw's core diameter and try again.

Screw head spins but does not drive deeper.

Ensure you are using the correct size socket driver. Check if the timber is excessively dense or if the thread has encountered an obstruction. Remove the screw and inspect the hole and screw threads.

Corrosion observed on screws.

While designed for durability, prolonged exposure to harsh, corrosive environments can affect the coating. Ensure screws are stored in a dry environment and clean off any corrosive residues promptly.

Timber splitting during installation.

If splitting occurs, particularly near the edge of the timber, consider using a slightly larger pilot hole or a smaller gauge screw for that specific location. Ensure the correct screw length is used, avoiding over-penetration.

Pros and Cons

Pros

  • Significantly faster installation times.
  • Reduced risk of splitting timber due to self-drilling point.
  • Strong holding power in timber applications.
  • Excellent corrosion resistance for durability.
  • Approved for structural timber use.

Cons

  • May still require pre-drilling in very hard woods.
  • Hex flange head may be larger than some aesthetic applications require.
  • Specific sizes may need to be sourced, depending on the project.

Setup, Compatibility & Care Instructions

Setup:

  1. Identify the correct Spectre Advanced Coach Screw size for your specific timber thickness and load requirements.
  2. Align the screw with the timbers to be joined.
  3. Using the provided socket driver (or a compatible drill bit/socket wrench), begin driving the screw into the timber.
  4. For softwoods and most engineered timbers, the type 17 slash point should initiate the drive without a pilot hole.
  5. If encountering resistance in very hard woods, a pilot hole slightly smaller than the screw's core diameter may be necessary.
  6. Continue driving until the hex flange head is firmly seated against the timber surface, creating a secure connection.

Compatibility:

  • Primarily designed for use in timber-to-timber constructions.
  • Suitable for both softwoods and hardwoods (with potential need for pre-drilling in hardwoods).
  • Compatible with standard socket drivers and power tools equipped with appropriate socket attachments.

Care:

  • The Zinc Yellow coating provides excellent corrosion resistance, making them suitable for exterior use. However, to maximize longevity, avoid prolonged contact with corrosive substances or environments.
  • Store screws in a dry place to prevent premature corrosion.
  • If screws become dirty, they can be cleaned with a dry or slightly damp cloth. Avoid abrasive cleaners.

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