Tappex Thread Inserts Limited, UK based is part of a privately owned SME group of companies established for over 59 years serving both UK and International manufacturing supply chains and OEM customers alike, professionally, from their Stratford upon Avon HQ. Tappex has other subsidiaries also both in the UK , Sweden (C Edgren www.c-edgren.se) & Finland (Tappex Finland www.tappexfinland.fi) . Tappex has a global network of independant representative distribution-partners & sales agents.
Tappex is an original equipment supplier of it's own manufactured Threaded inserts, supported by in-house CAD design, prototyping, tool-making and mechanical test-facilities that few others cn match. Tappex extensive range of both brass thread inserts and steel threaded inserts are available, often from stock, for moulding-in post mould self-threading and/or physical press-fit (24 standard of geometries, metric & imperial sizes M1.4 to M30, as well as Unified & British Standards thread forms available).
OEM applications in most plastics, composites and now light metal alloys are supplied with both off-the-shelf threaded inserts or bespoke solutions, this to suit customer(s) exacting requirements on a global basis. Tappex are able to support the needs of customers whether in small quantites or for significantly higher volume demand.
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 thread inserts for plastics to suit mould-in and post-mould installation dependant customer's application requirements as well as in-house manufacturing process considerations. Design guidance available.
Tappex has a specific thread inserts designed for critical applications in Light-metal alloys such as: Castings, Extrusions, Machined & fabricated parts produced from 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. Design guidance available.
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 patented bulge control feature).
For some applications where, for example, stress-prone or brittle glass-filled Thermoplastics are specified, Tappex has developed special threaded inserts just to suit these more demanding of plastics. These threaded inserts an be supplied either from Brass or Steel(s) for post-mould / press-in installation, typically into either machined or moulded plastics at ambient temperature , with HEAT applied. Alternatively, some Tappex thread inserts can be installed with self-threading function; some press-in thread inserts also have a 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 and/or Maintainance staff), Heat installation & Pantograph-arms carrying up to x3 Pnuematic, Torque settable screwdrivers (typically for R & D and low-medium volume, batch production 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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