Heavy Duty Staples – Stainless Steel – Chisel Point – T50/140
From £3.29£3.95 EX VATINC VAT
A2 stainless steel heavy duty staples with a chisel point and 1.2mm wire gauge. Available in 8mm, 10mm and 12mm. Suitable for T50 and 140-type staplers. 1000 per box. Ideal for external and corrosive environments including green oak.
| Size | Price | QTY |
|---|---|---|
| 8mm | £3.29£3.95 | |
| 10mm | £3.49£4.19 | |
| 12mm | £3.98£4.78 |
These stainless steel heavy duty staples are built for the jobs where a standard galvanised staple just won’t cut it. Made from A2 stainless steel, they offer genuine corrosion resistance that holds up in exposed or chemically aggressive environments — the sort of situations where cheaper fixings will start showing rust within a season. For anyone working with green oak, western red cedar, or pressure-treated timber, stainless steel isn’t optional, it’s the right call.
The chisel point is worth paying attention to. It drives cleanly through timber and board without splitting fibres or deflecting off grain, which matters when you’re fixing carpet gripper, pinning insulation batts, or stapling roofing felt in awkward positions with one hand on a ladder. The flat crown spreads the load across the material surface rather than cutting through it, giving better clamping and a tidier finish.
Where Stainless Steel Heavy Duty Staples Are Used on Site
Second fix is where these earn their keep. Carpet fitting, underlay, roof insulation, sarking boards, membrane fixing and general joinery work all make regular use of T50 and 140-series staples. The stainless grade makes these equally at home on external cladding projects, garden structures, and anything where the staple is going to be left exposed to weather for the long term.
Internal Use and Corrosive Substrates
It’s not just external work either. Any substrate with inherent corrosive properties — green oak being the classic example — will attack a mild steel or even standard galvanised fixing over time. Using A2 stainless here isn’t being precious about it, it’s just preventing a callback. Tannin-rich timbers and treated boards are another area where stainless steel heavy duty staples make sense from day one.
Available in 8mm, 10mm and 12mm leg lengths, these fit T50 and 140-type staplers — a format used by most professional-grade tacker guns on the market. 1000 staples per box, so you’re not stopping to reload every ten minutes either.
Pro Tip: When fixing into green oak or tannin-rich hardwoods, always use A2 or A4 stainless fixings from the outset as tannin reacts aggressively with steel and even some galvanised coatings, causing staining and early fixing failure that is expensive to sort retrospectively.
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