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Thread creation

IMTEC®

High-strength thread inserts for in-moulding.

IMTEC® – thread inserts for plastics

Reinforcement of plastic parts

High-strength and non-wearing

Plastic has many advantages. This is true especially when it is used in conjunction with metal, as this combines the benefits of low weight and high strength. The innovative IMTEC® moulded inserts are particularly suitable for in-moulding with thermoset and thermoplastic materials as well as CFRP composites.

Plus factors

Advantages of IMTEC®

  • Corrosion protection

    Rust and acid resistant thanks to the use of stainless steel 1.4301/10. This means there is no potential difference to carbon fibres, for example.

  • Component cleanliness

    Keeping it clean. The high surface quality enables you to keep residual dirt to a minimum.

  • Resilience

    High pull-out force thanks to optimised flank overlap in the plastic.

Method and principle

The hybrid solution

IMTEC® offers wear-free, resilient metal threads in high-quality plastic components. Before the part is produced, the IMTEC® moulded inserts are placed into the mould manually or by means of a handling system. Then, the metal inserts are injection-moulded with plastic. The only adjustment required is to adapt the core pins of the injection mould geometrically to the IMTEC® moulded inserts.

Cross section of an in-moulded IMTEC® Co – thread inserts for in-moulding
In-moulded IMTEC® Co Cross section

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Find the right solution for your application

IMTEC® product types

For the full variety of applications, we offer a selection of different thread inserts for plastics.

  • IMTEC® CO

    The IMTEC® CO thread insert for in-moulding is an asymmetric rolled stainless steel A2 wire (A4 also available) which is mainly used for blind hole threads. It is coiled to create a fixed bushing with at least one flange-like extension. In the forming process, the thread inserts are also magnetised and can therefore be securely placed on magnetic core pins.

    Advantages

    • Maximised usable thread length
    • Rust and acid resistant
    • Increased technical cleanliness (minimised residual dirt)
    • High pull-out force thanks to optimised flank overlap in the plastic
    • Reduced component weight
  • IMTEC® CF

    IMTEC® CF with double flange is produced from steel by cold forming. The deformation area on the IMTEC® CF allows precise adjustment of the length of the thread insert according to the mould size. Upon closing, the parts of the mould compress the IMTEC® CF and precisely adjust the length of the component (L ± 0.15 mm).

    Advantages

    • Very large flange diameters possible
    • Torque resistance thanks to hexagonal design / knurling
    • Generated undercut provides resistance to axial pull-out
    • No metal-cutting operation
    • Can be used as spacer bushing

Information and more

Downloads

Are you interested in IMTEC®? Please download further information here.

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