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8d duplex nails
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2.55" duplex nails for concrete formwork construction
8d Duplex Nails (2.55" Long) - Concrete Forms & Scaffolding - 10 Gauge Steel
2.55 inch duplex nails
8d two headed nails for concrete forms

8d Duplex Nails (2.55" Long) - Concrete Forms & Scaffolding - 10 Gauge Steel

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All orders placed before 12PM PST Monday - Friday are shipped same day (holidays excluded).

Strong, Reusable Nails for Temporary Construction!

Introducing the 8D Duplex Nails (also known as scaffolding nails or concrete form nails), a reliable solution for a range of temporary construction, concrete formwork, and scaffolding needs.

Specially designed to meet the demands of construction projects, as well as being easy to remove and reuse! Crafted from 10-gauge steel, they are incredibly strong and highly resistant to bending. This double headed nail is simple to install and remove, the smooth shank guarantees effortless installation with minimal risk of damage to the material. On sale today as low as $0.02 per nail, order today!

Please note * - Orders over 300,000 pcs has a 60 day lead time.

16D Duplex nails also available! Sandbaggy carries a variety of concrete forming supplies.


  • Length: 2.55 inch
  • Head Diameter: 1/4 inch
  • Thickness: 10 Gauge
  • Weight (per nail): 0.2 oz / 0.0125 lbs. 
  • Head Style: Flat
  • Material: Steel
  • Exterior Finish: Black Annealed
  • Shank Type: Smooth
  • Reusable / Removable


  • Construction Grade: Sandbaggy 8D Duplex Nails are constructed from a 10 gauge black annealed steel offering exceptional strength and resilience, able to withstand the demands of temporary construction.
  • Reusable: Can be utilized multiple times, creating an effective and inexpensive option for temporary building projects.
  • Effortless Installation: features a smooth shank which contributes to easy installation and reduces the risk of material damage during the fastening process.
  • Safe & Easy To Remove: Nails can easily be removed without damaging the surrounding material. All you need is the reverse end of a claw hammer to remove this double headed nail.
  • Use For A Variety Of Applications: Cater to a wide range of temporary construction applications, including scaffolding, concrete forming, and other temporary structures.
  • Low Wholesale Pricing! As low as $0.02 per nail, more affordable than what you can find at the big box or local hardware stores.


What is a duplex nail used for?

Duplex nails are commonly utilized for temporary building projects, such as:

  • scaffolding
  • concrete formwork
  • temporary structures
  • roofing and siding projects

The double heads of duplex nails make them easier to drive and extract, while also facilitating reuse.

Where would you use a duplex nail?

Duplex Nails are specifically designed for use in temporary construction projects where the nails will need to be removed later. After being driven in, the nail's second head remains exposed, allowing for easy removal using a hammer.

What is the difference between common and duplex nails

Duplex nails are two headed nails, which makes them easy to extract after they have served their purpose.

How to remove 8d duplex nails

Using a hammer and pliers, 8d duplex nails can be removed. Drive the nail through until the second head is visible, then grip and pull with the pliers.

Here are some additional tips

  • If the nail is bent - use a nail puller to remove it.
  • If the nail is rusted - apply a penetrating oil to help loosen it.
  • If the nail is stuck in a tight spot - use a chisel to break it free.

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