Tappex Thread Inserts Limited based in the UK is a key part of a privately owned SME group of companies established for over 57 years serving both UK and International manufacturing supply chains and OEM customers alike, successfully, from it's Stratford upon Avon, HQ.
Tappex is an original fastener supplier of threaded inserts with in-house capabilities for the design and prototyping of both brass thread inserts and steel threaded inserts (24 standards in metric sizes M1.4 to M30 plus Unified / British Std. in key ranges).
OEM applications in most plastics, composites and now light metal alloys are supplied with both off-the-shelf thread inserts or bespoke solutions to suit customers exacting requirements on a global basis. Tappex are able to provide mechanical testing and comprehensive manufacturing facilities suitable for both low & high volume demands.
Our experienced technical and sales staff are available to guide / help customers to the appropriate technical solution using our thread inserts & fastening products.
Tappex® has a broad range of inserts for plastics to suit mold-in and post-mold installation dependant customer's application requirements as well as in-house manufacturing process considerations.
Tappex has a specific thread inserts designed for critical applications such as: Castings, Extrusions, Machined & fabricated parts produced from light metal alloys i.e. Aluminium, Zinc & Magnesium.
Our thread inserts have been extensively trialled and supplied to customers around the world, on land, sea, air & even in space. Our thread inserts are of the self tapping type installed into either cast or pilot drilled holes to suit customer's product manufacturing processes.
Tappex as a fastenings technical-leader has identified bespoke requirements for mechanical joining of contemporary materials such as Glass reinforced plastics (GRP), combinations of metal alloys/plastics, structural foams/wood/paper-based sandwich constructions and Carbon/Kevlar fibre laminates. Tappex is able to offer both standard and bespoke fastening product solutions, to suit OEM and other critical industrial applications.
Tappex Inserts for Woods & Composites fall broadly into 2 categories, namely: Self Threading Inserts, Case-hardened Screws and special Rivet Nuts (with bulge control feature).
For some applications where, for example, stress-prone or brittle glass-filled Thermoplastics are specified, Tappex has developed bespoke Thread inserts just to suit these more demanding of plastics. These Threaded inserts either of Brass or Steel(s) manufacture can be 'post-mould' installed into machined or moulded plastics by 'pressing in' at ambient temperature , with HEAT applied or in some cases as self-threading/self-tapping type; some press-in thread inserts that have special external helical-knurl features to suit. Tappex can also supply Threaded inserts for plastics with special geometries to suit a customer's very specific installation/mechanical arrangements upon request.
If a customer chooses not to in-mould a Tappex Threaded insert it still has the option of post mould press in or self threading types, each of which can be installed with bespoke tooling designed specifically for the purpose by Tappex. The Tappex range of installation tools for it's Threaded inserts includes hand tools (for R & D or Maintainance staff), Heat installation & Pantograph-arms carrying up to x3 Pnuematic, Torque settable screwdrivers (R & D and low/medium batch quantities, to suit).
Tappex can supply samples to suit your application. To request samples, please choose a product then configure it to your specification using our product selector, then choose Order sample and complete the sample/quotation form.
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