Dear Customers, Please note that a production break is planned from July 21 to August 8, 2025. Our sales and shipping departments are operating as usual, and orders will be fulfilled from our warehouse stock. We kindly ask you to place orders for non-standard products (e.g. special colors or custom-made items) in advance. Thank you for your understanding!

Threaded inserts:


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Threaded inserts

Threaded inserts are essential components wherever durable and stable fastening is important – in metal, plastic, wooden constructions, as well as in pipes. Their function is to provide a strong and reliable thread in materials that do not offer sufficient strength on their own. In the Tulplast range – a manufacturer of plastic products – you will find a wide selection of threaded inserts made from high-quality materials such as polyamide, polyethylene, or polypropylene.

Threaded insert – for metal, wood, plastic, and pipes

Depending on the application, the appropriate type of insert can be selected. A threaded insert for wood is ideal for furniture assembly, where screws need to be screwed and unscrewed multiple times. By using an insert, you can avoid damaging the structure of the material and ensure the durability of the connection. A threaded insert for plastics allows fastening elements in lightweight materials such as ABS, PE, or PP without the risk of breakage or loosening. In such cases, inserts with embedded metal threads are most commonly used. For structural connections with pipes, threaded inserts for pipes are perfect. They are designed as knock-in inserts – with a nut or screw – providing quick and stable installation. Tulplast’s assortment includes both threaded inserts for metal and for square, round, and rectangular profiles.

Threaded inserts in the Tulplast offer

Need a threaded insert? The Tulplast catalog includes many variants of these products, including:

  • round PA threaded insert,
  • round threaded insert with metal thread,
  • knock-in insert with nut for round pipe,
  • knock-in insert with screw for round pipe,
  • square threaded insert,
  • square insert with metal thread – foldable/reinforced PA,
  • square insert with embedded metal thread,
  • rectangular insert with embedded metal thread.

Also available: end caps for bent pipes and other complementary elements such as knobs and handles.

Tulplast threaded inserts – durability and aesthetics

Each threaded insert manufactured by Tulplast (manufacturer of plastic products) features high manufacturing precision and dimensional repeatability. The offered inserts come in black (RAL 9005) and are compatible with many popular construction solutions. Materials such as PA, PE, and PP ensure resistance to mechanical and chemical factors, making the threaded inserts suitable for both indoor and outdoor use.

Why choose threaded inserts from Tulplast?

Why Tulplast? What do we offer? Among others, threaded inserts for plastics, threaded inserts for metals, and threaded inserts for pipes. High-quality materials, the ability to customize inserts to specific needs, and a wide selection of shapes and mounting variants make our products popular among customers from various industries. Feel free to contact us! We are happy to answer any questions. The right threaded insert for plastics or wood in your project guarantees solid, durable, and safe fastening.

Have questions?
We will be glad to help.