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Application:
Threaded insert with bores is a self-tapping fastener for the creation of wear-free, vibration-resistant screw joints with high loading capacity in materials with low shearing strength. It is suitable for installation in the following materials: Aluminum and aluminum alloys; magnesium alloys; Duroplastics, thermoplastics(with the exception of rubber-soft thermoplastics < 100 Shore A).
The head serves as a support for electrical contacts, for simultaneous fixture of several parts; when stress is applied against the head, the pull-through force is significantly increased
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The Foamsert is a special version of the Trisert and has a very coarse truncated external thread form. Like the Trisert it has three equidistant cutting flutes over the length of the external form and it is this unique combination that makes the Foamsert ideally suited for use in structural foam materials, laminated chipboards, medium density fibre board and certain types of glass reinforced plastics.
Continuous product development has led to a headed version of the Foamsert providing all the benefits of the headed Trisert in an expanded range of materials. This innovative new design adds a significant degree of versatility to the existing inserts for plastics. Both the Double Ended and Reduced Headed versions are installed using a reversible driving mechanism.
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The Tappex Trisert range of brass self-tapping inserts includes three primary designs: Double Ended, Reduced Headed, and Regular Headed variants, to solve most application problems in thermoset and thermoplastic grades including the latest engineering plastic alloys. The concept of the design is to provide a reliable and efficient post-mould production process, where the installation torque can be controlled and monitored for increased reliability.
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The bush with its cutting slot is a self-tapping attaching part which ensures screwed assemblies for high loads, without wear in case of frequency disassembly of the screw and resisting vibrations in materials with low shearing strength:
light alloys
cast iron, brass, bronze,
non-ferrous metals,
plastics,
laminates, hard woods,
chipboard panels.
Material:
Cemented steel
quenched, zinc plated
yellow bichromate treated
S 250
U-Z36Pb3 brass
Stainless steel
18.9
Other dimensions and materials on request.
Tolerances on tapping 6H over the full length ± 0.2 mm.
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Inserts
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