DIYUK M6 6mm Coach Screws - Silver

Name: DIYUK M6 6mm Coach Screws - Silver
Brand: DIYUK
SKU: wkqineyhvh
Availability: InStock

Installation of our 6mm Hex Head Coach Screws is straightforward, thanks to their user-friendly de...

Best current price£7.65from OnBuy.com

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M6 Hex Head Coach Screws Din 571 Bzp Zinc Plated Steel Lag Bolts Wood Screws 40Mm To 120Mm 5056826600752

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B&Q - M6 6mm Coach Screws Length: 120mm ( Pack Of: 10 ) Hex Hexagon Head Lag Bolts Wood Screws Steel Zinc Plated Din 571

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OnBuy.comM6 Hex Head Coach Screws Din 571 Bzp Zinc Plated Steel Lag Bolts Wood Screws 40Mm To 120Mm 5056826600752

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B&QB&Q - M6 6mm Coach Screws Length: 120mm ( Pack Of: 10 ) Hex Hexagon Head Lag Bolts Wood Screws Steel Zinc Plated Din 571

Free delivery in 1–3 days

£12.68

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Product Information

Full details

The DIYUK M6 6mm Coach Screws are designed for both professional contractors and dedicated DIY enthusiasts who require a reliable, high-strength fastening solution for structural wood and concrete projects. Featuring a durable zinc-plated steel construction, these lag bolts provide excellent resistance to environmental wear and structural stress, though users should ensure they have the appropriate pilot hole size for their specific substrate to prevent splitting or snapping during installation.

All features

Colour	Silver
Brand	DIYUK

Extended Product Information

FAQs

Are these screws suitable for outdoor use?

Yes, the zinc-plated finish provides good protection against corrosion, though they should be monitored if exposed to harsh, wet, or coastal environments.

Can I use these in masonry?

Yes, but you must use appropriate wall plugs suitable for M6 hardware to ensure a secure anchor.

What tool should I use to install them?

A standard socket wrench, spanner, or a power drill with a socket adapter is recommended.

Do I need to drill a pilot hole?

While not strictly required for softwoods, a pilot hole is strongly recommended for hardwoods to prevent splitting.

What is the diameter of these screws?

These are M6 screws, meaning they have a 6mm shank diameter.

Troubleshooting

Screw is difficult to drive into wood

Ensure a pilot hole has been drilled; the pilot hole should be roughly 70-80% of the core diameter of the screw.

Hex head rounding off

Verify that your socket or spanner is the correct metric size and is seated fully onto the head before applying torque.

Screw snapped during installation

Reduce torque setting on your power tool or use a manual wrench. Over-tightening can exceed the material's tensile limit.

Pros and Cons

Pros

Easy to tighten with standard hand or power tools
Zinc plating provides good resistance to rust
High-tensile strength for heavy-duty structural support
Reliable performance in both indoor and outdoor settings

Cons

Requires pre-drilling pilot holes for best results in hardwood
Not intended for use in masonry without compatible wall plugs
Silver finish may not match all aesthetic requirements

Setup, Compatibility & Care

Preparation: Always measure the thickness of the materials being joined to ensure the screw length is appropriate.
Pilot Holes: For wood installations, it is highly recommended to drill a pilot hole slightly smaller than the 6mm shank diameter to prevent timber from splitting. For concrete, ensure you use the correct size masonry drill bit and high-quality expanding wall plugs.
Tools: Use a proper-sized socket or wrench to avoid rounding off the hex head profile.
Maintenance: While the zinc plating offers environmental protection, keep the screws stored in a dry, low-humidity environment to maintain their finish. If used outdoors, consider occasional inspection for signs of rust in high-moisture climates.