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Screws for plastics have a thread that is designed to be used in soft materials. It generally has a 30 degree flank angle thread that slices through plastic materials with out inducing high stress levels and offering high pull out performance.

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Product descriptions

  • Product characteristics
  • Product types

Plastics continue to open up a world of design opportunities, yet present some unique fastening problems.

Each type of plastic has its own set of performance issues, such as ductility, thermal expansion and clamp retention. Selecting a fastener that can best match these requirements is critical to the overall performance of an application.

Plas-Tech® 30 Screws

The high performance Plas-Tech 30 screw from TR Fastenings is a direct screw fastener that is designed for use in thermoplastics.

Its design characteristics include numerous innovations, such as a profiled thread root to assist plastic flow and stress reduction; a 30-degree flank angle to reduce boss bursting forces and an 8-degree pitch angle. Taken together, these features support low installation torques with high stripping torque values.

Polymate 40

The polymate 40 is a high performance Metric thread forming screw for plastics available with a Supadrive® and Torx® recess drives and Countersunk and Pan head styles as standard.

A wide variety of plastics are now available in the market place. These vary considerably in their hardness, susceptibility to cracking and stability to temperature and humidity variations

Plas-Fix 45 Screws

The Plas-Fix 45 is a trilobular bodied, high performance Metric thread forming screw for plastics available with a Supadrive® and Torx® recess drives and Countersunk and Pan head styles as standard.

A wide variety of plastics are now available in the market place. These vary considerably in their hardness, susceptibility to cracking and stability to temperature and humidity variations.

Plas-Fix® 60

The Polymate 60 is a trilobualr bodied single start screw with a 60o angle thread form designed for installing into Nylon, Acetal, ABS and some glass filled nylons.

BS4174
High – low

A thread forming screw with a double-lead, consisting of a low and a high thread. The lower thread varies in height from 1/3 to 1/2 that of the high thread, which is sharper and flatter than a standard thread.

Contact

MeFaCo International bvba Industrial Fasteners & Installation Tools

Address: Industrieweg 2 (Zone Hoogveld) B-9200 Dendermonde (Belgium)

Tel.: +32 (0) 52 203923
E-mail: info@mefaco-intl.com

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