A2 stainless steel round lost head nails for timber work where corrosion resistance matters. Available in three sizes and multiple pack formats, these are the nail you reach for when the job is going outside and needs to stay put.
Size
Weight
Pack Type
Price
QTY
40 x 2.65mm
10kg
Carton
£123.98£148.78
50 x 2.65mm
10kg
Carton
£123.98£148.78
65 x 3.35mm
10kg
Carton
£123.98£148.78
40 x 2.65mm
1kg
TIMbag
£13.72£16.46
50 x 2.65mm
1kg
TIMbag
£13.72£16.46
65 x 3.35mm
1kg
TIMbag
£13.72£16.46
The stainless steel round lost head nail is one of those simple things that gets overlooked until you’ve made the mistake of using a bright steel alternative and watched it bleed rust down a fresh-painted fascia board. A2 stainless gives you genuine corrosion resistance without having to think about coatings wearing off or galvanic reactions causing grief further down the line. These nails are available in 40 x 2.65mm, 50 x 2.65mm, and 65 x 3.35mm, covering the most common timber fixing sizes for cladding, boarding, and general joinery work outdoors.
The lost head profile is the point here, quite literally. The small, neat head drives flush and sits just below the surface with minimal effort. It disappears into the timber face cleanly, which is exactly what you want on visible joinery or any finish where a larger flat head would stand out. It punches down easily with a nail punch and filler if needed, though on smooth hardwood or softwood cladding it often needs no covering at all.
Where Stainless Steel Round Lost Head Nails Belong on Site
External timber is the obvious home for these. Fascias, soffits, featheredge cladding, shiplap boarding, door frames, window linings, and any exposed joinery that’s going to face the weather will benefit from A2 stainless fixings. The last thing anyone wants is to be back in two years grinding out rust stains from a board that cost a fortune to get up there.
A2 stainless is also the grade of choice for coastal work and areas with persistent damp. It’s not the absolute top of the range, that would be A4, but for the vast majority of UK external joinery and timber cladding applications, A2 is more than adequate and considerably easier to source at sensible prices.
Available in 1kg TIMbags for smaller jobs or 10kg cartons when you’re getting through them at pace, these stainless steel round lost head nails are priced for trade use, not for the Saturday DIYer buying a single strip pack from a hardware shop.
Pro Tip: Pilot drilling is worth the extra minute on hardwood species like oak or iroko, as even A2 stainless nails can deflect or split the timber if driven cold into a dense grain.
Stainless steel round lost head nails are used primarily in external timber work where moisture exposure is a constant concern. Cladding installers, carpenters, and general builders reach for them on fascia and soffit boards, shiplap and featheredge cladding, window and door frames, decking edging, and any exposed joinery that sees the weather. They are equally at home on internal hardwood joinery where a clean, near-invisible fixing is needed without the bulk of a standard round wire nail head.
Best For
External timber cladding
Fascia and soffit boards
Window and door frames
Shiplap and featheredge boarding
Exposed joinery in damp or coastal areas
Internal hardwood finish joinery
Available In
40 x 2.65mm
50 x 2.65mm
65 x 3.35mm
1kg TIMbag
10kg Carton
Key Properties
A2 stainless steel construction
Lost head profile for flush or below-surface finish
Corrosion resistant for external use
Suitable for coastal and persistently damp environments
Drives cleanly with hammer or nail gun
Accepts nail punch for finishing
Not suitable for: Not recommended for structural load-bearing connections where engineered fixings or joist hangers are specified. For highly aggressive marine environments with permanent saltwater exposure, A4 stainless nails would be a more appropriate grade.
Drive with a standard claw hammer or appropriate nail gun set to the correct pressure for the timber density. For softwoods like pine or spruce, nails drive cleanly without preparation. On hardwoods, a pilot hole slightly narrower than the nail shank will prevent splitting and keep the nail running straight.
To finish flush or below the surface, use a nail punch just wider than the nail head and a single firm strike. Fill if required, or leave as-is on rough sawn or painted surfaces where the small recess is not visible.
Select the correct nail size for your timber thickness, as a general rule the nail should be at least 2.5 times the thickness of the piece being fixed
Pre-drill pilot holes in hardwood or near timber edges to prevent splitting
Hold the nail square to the timber face and drive with consistent blows using a claw or pin hammer
Stop driving just before the head reaches the surface
Use a nail punch to sink the head flush or just below the timber surface
Fill the recess if required for a painted or stained finish
What is the difference between A2 and A4 stainless steel nails?
A2 stainless offers solid corrosion resistance for the vast majority of external UK timber work. A4 stainless has a higher molybdenum content which makes it better suited to permanently wet or saltwater environments, such as marine structures or seafront installations. For general external joinery, cladding, and fascia work across the UK, A2 is the standard choice and significantly more cost-effective.
Can these nails be used in a nail gun?
Loose stainless steel nails like these are intended for hand nailing. If you are using a pneumatic nailer, you will need collated stainless steel nails in the correct format for your tool. Always check your gun manufacturer's guidance on nail material compatibility, as stainless is harder than mild steel and can affect wear on some tools.
Manufactured from A2 grade stainless steel, these round lost head nails meet the material standard for corrosion resistance in external timber applications. A2 stainless contains a chromium-nickel alloy that resists oxidation without surface coatings, meaning the protection is inherent to the material rather than dependent on a plating or treatment that can be compromised during driving. The lost head shank and small, tapered head profile are designed to minimise the visible fixing point in finished joinery work.
Material
A2 Stainless Steel
Head Type
Round Lost Head
Available Sizes
40 x 2.65mm, 50 x 2.65mm, 65 x 3.35mm
Pack Options
1kg TIMbag, 10kg Carton
Grade
A2
Finish
Stainless (no coating)
Size
40 x 2.65mm, 50 x 2.65mm, 65 x 3.35mm
Weight
10kg, 1kg
Pack Type
Carton, TIMbag
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