The nail heads are highly accessible and the nails can be quickly and easily inserted into the holes of their intended components, making the process more efficient.

The duplex nail can be driven into the wood to the first head like other nails, yet with the second head outside. Duplex Screws and Duplex Nails are flanged-head or double-headed fasteners that are often used to build temporary structures such as braces, scaffolding and concrete formwork. A nail with a collar designed to prevent it from being driven flush, making it easy to remove, used for temporary structures.They are often used in temporary construction work, formwork, concrete pouring, and woodworking projects where the nail needs to be taken out without causing significant damage to the materials being fastened. Duplex nails are specialized and high-performance nails that are used for a wide range of building and construction applications. International products have separate terms, are sold from abroad and may differ from local products, including fit, age ratings, and language of product, labeling or instructions.

A badly broken finger or thumb can result in more than a month off work and can leave lasting disabilities. Most purchases from business sellers are protected by the Consumer Contract Regulations 2013 which give you the right to cancel the purchase within 14 days after the day you receive the item. Hebei Cucheng ’s main products Roofing Sheets, Metal Nails, Wire and Wire Mesh, Fastener and Screw, Valves, Scaffolding, Metal Pipes and Pipe Fittings, Aluminum products and other building materials and hardware. The nails feature bulged points and uniquely designed, double thread patterns to increase the friction between them and the holes, which, in turn, provides greater holding power.The results showed a 47% difference, with 45 Duplex Screws drilled in versus 24 Duplex Nails hammered in. The driver drills the orange hex-head screw until the stop flange is flush with the material and can easily remove it by reversing the drill. They are designed to be easily removed, so they don’t go completely into the wood during installation. This is especially useful in projects where structures are assembled and disassembled frequently, such as scaffolding or temporary stages. Additionally, duplex Nails are heat-treated to increase their hardness and resistance to wear and tear.

New: A brand-new, unused, unopened and undamaged item in original retail packaging (where packaging . In their application, the Carrillos said that the Duplex Screw is ideal for concrete formwork and better than double-headed nails. Collings wrote: “After the concrete has set sufficiently, the forms are removed, but due to the fact that the heads of the nails are driven into the wood, it is very difficult to remove the nails without damage being done to the forms, which frequently have to be broken and even smashed to pieces in their removal, thus causing a considerable waste of material and loss of time.If you're running a script or application, please register or sign in with your developer credentials here. To calculate the overall star rating and percentage breakdown by star, we don’t use a simple average. They are often used in framing and carpentry, as well as in the construction of wooden crates and pallets.