Bright roundhead nails in a full 25kg box. General purpose, no plating, suitable for softwood and hardwood. Conforms to Eurocode 5 service class 1. Multiple sizes available to cover most joinery and construction applications.
Size
Price
QTY
40mm x 2.65
£39.90£47.88
50mm x 2.65
£39.90£47.88
65mm x 2.65
£39.90£47.88
65mm x 3.35
£39.90£47.88
75mm x 3.75
£39.90£47.88
100mm x 4.50
£39.90£47.88
125mm x 5 60
£39.90£47.88
150mm x 6.00
£39.90£47.88
These 25kg bright roundhead nails are the workhorses of any joinery or construction job. No frills, no plating, just solid bright-finish steel with a full round head designed for clamping force and holding power. If you go through nails at any volume, buying a 25kg box is the obvious move — it keeps the job moving and the cost per nail sensible.
Bright nails are self-coloured, meaning they have no galvanising, electroplating or coating of any kind. That gives them a clean appearance and makes them a natural choice for internal timber work where corrosion isn’t a concern. They’re not the nail for outdoor use or wet environments, but indoors they’re entirely at home and perform exactly as expected.
The roundhead profile gives better bearing area against the timber face compared to lost-head or oval nails. That clamping effect is particularly useful in framing, formwork, and general carpentry where you need the head to do some actual work rather than disappear into the surface. They’ll drive cleanly by hand or through a framing hammer, and will feed through most first-fix nail guns that accept smooth shank wire collated nails, depending on the specific gun setup.
Where Bright Roundhead Nails Get Used on Site
These are genuinely multipurpose. The range covers sizes from 40mm right up to 150mm, so you can pick the right nail for the material thickness rather than compromising. The 65mm and 75mm sizes tend to disappear fastest on site — flooring noggins, stud walls, roof battens, general carpentry. The heavier 100mm, 125mm and 150mm sizes are more structural in nature, suited to heavy timber connections, truss repairs, and formwork.
Eurocode 5 Compliance
These nails conform to Eurocode 5 and are rated for service class 1, which covers dry internal conditions. That compliance matters if you’re working on a project where the structural specification calls it out. It’s not something every nail on the market can claim, and it’s worth knowing if your work is being signed off by a structural engineer or building control.
A 25kg box of bright roundhead nails represents good value for any tradesperson who runs through fixings regularly. Stock one in the van and you’ll stop making those annoying last-minute trips to a builders merchant mid-job.
Pro Tip: When hand-nailing in hardwood, blunting the tip of the nail slightly with a hammer tap before driving it in reduces the risk of splitting the grain along the length of the timber.
Bright roundhead nails are used across a wide range of internal construction and joinery applications. They're common on timber frame builds, stud wall construction, roof carpentry, flooring, and general first-fix joinery. The full round head makes them a go-to where clamping force matters, and the range of sizes means they cover everything from light batten fixing right up to heavy structural connections in dry internal conditions.
Not suitable for: Not suitable for outdoor, exposed or wet conditions due to the uncoated bright finish. For external applications, use hot-dipped galvanised or stainless steel nails instead.
Drive by hand with a framing or claw hammer, or check your nail gun manufacturer's guidance for compatibility with smooth shank round head nails of the relevant diameter and length. Ensure the timber is supported and stable before nailing to avoid splitting, particularly near board ends.
For structural applications, follow the nailing patterns and spacings specified in your engineer's drawings or the relevant timber connection schedule. Eurocode 5 service class 1 compliance means these nails are rated for dry internal use only.
Select the correct nail size for your timber thickness — as a rule, nail length should be at least 2.5 times the thickness of the thinner piece being fixed.
Check timber is free from knots or splits at the fixing point where possible.
Position the nail perpendicular to the timber face for maximum holding strength.
Drive in one controlled strike sequence, keeping the hammer face square to avoid bending the shank.
For end-grain fixing, pre-drill where there is a risk of splitting, particularly in hardwood.
Inspect driven nails for any that have bent during installation and replace if the head has not seated flush.
Are bright roundhead nails suitable for use outdoors?
No. Bright nails have no protective coating, so they will rust quickly in exposed or damp conditions. For outdoor or external timber work, use hot-dipped galvanised or stainless steel nails instead. These bright roundhead nails are rated for Eurocode 5 service class 1, which means dry internal conditions only.
How many nails are in a 25kg box?
It varies by size. Smaller nails like the 40x2.65mm will give you several thousand per box, while the larger 150x6.00mm nails will be considerably fewer. If you need an exact count for a specific size, contact us and we can advise — though most trade buyers buying by the 25kg box are more interested in the weight than the count anyway.
Bright roundhead nails are manufactured from plain carbon steel wire, formed with a full flat circular head and a smooth shank. The bright finish is achieved without any surface treatment, giving the nail its characteristic bare steel appearance. These nails conform to Eurocode 5 and are classified for service class 1, covering dry internal environments where moisture content of timber remains stable.
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