A2 stainless steel round wire nails in a full range of sizes, sold by the kilogram or 10kg carton. Suitable for timber fixings in exposed and coastal locations where corrosion resistance matters.
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
75 x 3.75mm
10kg
Carton
£123.98£148.78
100 x 4.00mm
10kg
Carton
£123.98£148.78
125 x 5.60mm
10kg
Carton
£123.98£148.78
150 x 6.00mm
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
75 x 3.75mm
1kg
TIMbag
£13.72£16.46
100 x 4.00mm
1kg
TIMbag
£13.72£16.46
125 x 5.60mm
1kg
TIMbag
£13.72£16.46
150 x 6.00mm
1kg
TIMbag
£13.72£16.46
A stainless steel round wire nail does one thing a standard bright nail cannot: it stays put without rusting. If you are fixing timber in an exposed location, near the coast, or anywhere that sees persistent moisture, bright wire nails will let you down eventually. The iron oxide staining alone is enough to make a client unhappy. These A2 stainless steel round wire nails sidestep that problem entirely, offering solid corrosion resistance without the premium you might expect from a specialist fixing.
Available in a range of sizes from 40 x 2.65mm right up to 150 x 6.00mm, there is enough scope here to cover most general carpentry and structural timber work. Lighter gauges suit cladding, battens, and fencing panels. The heavier 125 and 150mm lengths are more at home in structural joinery and post fixing. Round wire nails are a traditional profile, widely compatible with nail guns that accept loose nails, and they drive cleanly by hand with a decent hammer.
Where Stainless Steel Round Wire Nails Make the Difference
The real value of A2 stainless over galvanised comes down to longevity and consistency. Hot-dip galvanised nails are a reasonable choice in many situations, but the zinc coating can be inconsistent, and in highly acidic timbers like oak or sweet chestnut, even galvanised fixings can react and corrode over time. A2 stainless does not have that problem. It is the sensible choice for oak-framed structures, hardwood cladding, and any application where the timber itself is chemically aggressive.
Sold in 1kg and 10kg options, with pack types including TIMbag and carton, these are genuinely useful for both smaller jobs and bulk site use. Ten kilos of 65 x 3.35mm nails goes further than you might think, and buying in bulk keeps costs down on longer projects. A2 grade stainless is not the top of the stainless range, but for most UK outdoor timber applications it is more than adequate and considerably more practical than A4 marine grade at this price point.
Pro Tip: In acidic hardwoods like oak or western red cedar, even hot-dip galvanised nails can corrode and stain the timber surface within a few years, so specifying A2 stainless from the start is far cheaper than replacing discoloured cladding later.
Stainless steel round wire nails are used across a broad range of outdoor and exposed timber fixing work. Fencing, decking subframes, featherboard cladding, fascia and soffit boarding, roof battens, and garden structures all benefit from a corrosion-resistant fixing. They are equally at home in agricultural buildings, coastal properties, and anywhere timber is in contact with damp ground or driven rain.
Joiners and carpenters working with hardwoods regularly specify A2 stainless to avoid the tannin reactions that can cause staining with lesser fixings. Oak framing, larch cladding, and pressure-treated timbers are all typical applications where these nails earn their keep.
Best For
Outdoor and exposed timber fixing
Coastal and high-moisture locations
Oak, larch and hardwood cladding
Fencing, decking and battens
Pressure-treated timber
Available In
40 x 2.65mm
50 x 2.65mm
65 x 3.35mm
75 x 3.75mm
100 x 4.00mm
125 x 5.60mm
150 x 6.00mm
1kg and 10kg pack options
Key Features
A2 stainless steel construction
Corrosion resistant in outdoor and damp conditions
Round wire profile for clean driving
Suitable for hand nailing and compatible nail guns
Resistant to tannin staining reactions in hardwoods
Not suitable for: Not recommended for fully submerged or marine tidal applications where A4 grade stainless would be the correct specification. Not suitable for use with plasterboard or internal dry lining.
Select the appropriate nail size for your timber thickness. As a general guide, nail length should be at least two and a half times the thickness of the piece being fixed. For cladding and battens, the lighter gauges are sufficient. For structural or load-bearing connections, use the heavier 125mm or 150mm lengths.
Drive by hand with a claw or warrington hammer, keeping the nail square to the timber surface to avoid bending. Stainless is slightly softer than bright steel, so avoid glancing blows that can cause the shank to deflect. Pre-drilling a pilot hole in hardwoods will make driving cleaner and reduce the risk of splitting near board ends.
Select the correct nail length based on timber thickness, aiming for at least 2.5 times the board depth
Pre-drill pilot holes when fixing near the end grain of hardwood to prevent splitting
Position the nail square to the surface before driving to avoid deflection
Use a claw hammer or warrington hammer with controlled blows
Drive flush with the surface or set slightly below using a nail punch where a neat finish is required
Dispose of any bent nails rather than attempting to straighten and re-drive stainless fixings
What is the difference between A2 and A4 stainless steel nails?
A2 stainless offers good general corrosion resistance and is suitable for most UK outdoor timber applications including cladding, fencing, and exposed joinery. A4 stainless contains molybdenum, which gives it better resistance to chloride environments such as coastal spray, marine structures, and fully exposed seaside locations. For the vast majority of building work away from the immediate coastline, A2 is perfectly adequate and more cost-effective.
Can these nails be used in a nail gun?
Round wire nails in loose form are compatible with certain nail guns designed to accept them, but you should check your tool's specification before assuming compatibility. Many framing nailers use collated strips or coils rather than loose nails, so confirm your tool accepts a loose round wire profile in the appropriate diameter before ordering in bulk.
These round wire nails are manufactured from A2 grade austenitic stainless steel, which provides reliable corrosion resistance in outdoor, damp, and chemically active timber environments. A2 stainless contains chromium and nickel but no molybdenum, placing it in the standard grade for construction fixings. The round wire profile provides consistent shank diameter along the full nail length, with a flat head for flush or punched driving.
Material
A2 Stainless Steel
Head Type
Round flat head
Shank Type
Smooth round wire
Available Sizes
40 x 2.65mm, 50 x 2.65mm, 65 x 3.35mm, 75 x 3.75mm, 100 x 4.00mm, 125 x 5.60mm, 150 x 6.00mm
Pack Weights
1kg, 10kg
Pack Types
TIMbag, Carton
Grade
A2 Stainless (304 equivalent)
Size
100 x 4.00mm, 125 x 5.60mm, 150 x 6.00mm, 40 x 2.65mm, 50 x 2.65mm, 65 x 3.35mm, 75 x 3.75mm
Weight
10kg, 1kg
Pack Type
Carton, TIMbag
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