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OnBuy.com£8.58Visit shop M8 Hex Head Coach Screws Din 571 Bzp Zinc Plated Steel Lag Bolts Wood Screws 30Mm To 160Mm 5056826601377
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B&Q£12.88Visit shop B&Q - M8 8mm Coach Screws Length: 30mm ( Pack Of: 20 ) Hex Hexagon Head Lag Bolts Wood Screws Steel Zinc Plated Din 571
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The DIYUK M8 Coach Screws are designed for both professional contractors and DIY enthusiasts who require reliable, heavy-duty fastening solutions for structural and woodworking projects. These 8mm lag bolts offer superior strength and easy installation via a hexagon head, though users should note that they require pre-drilling for optimal results, especially when working with hardwoods or masonry.
| Model Part Number | M8 |
|---|---|
| Brand | DIYUK |
No, this pack contains only the 20 M8 coach screws; wall plugs must be purchased separately based on your wall material.
Yes, the zinc plating provides a layer of protection against environmental factors, making them suitable for general outdoor use.
A standard socket wrench or an impact driver with a correctly sized hex socket adapter is recommended.
This specific variant has a shaft length of 30mm.
Yes, they are engineered for structural applications, but please verify local building codes regarding the specific bolt diameter required for your load.
Yes, but ensure your project is in a standard environment; in highly corrosive or wet conditions, stainless steel may be a better long-term alternative.
Ensure the pilot hole is the correct diameter; if the wood is very hard, increase the pilot hole size slightly.
Ensure the socket tool is fully seated on the bolt head and is the correct metric size.
You are likely missing a pilot hole; always pre-drill to accommodate the bolt shank.
For the best results, use a socket driver or a spanner that matches the head size of the screw. When using in wood, always mark your position clearly and drill a pilot hole first. If installing into masonry, ensure the hole is clear of debris before inserting the rawlplug and screw. For maintenance, while the zinc plating is durable, avoid using these in highly caustic environments. If the protective coating is scratched during installation, applying a touch of exterior-grade metal primer can help maintain long-term corrosion resistance.
