Tappex Thread Inserts Limited, UK-based is part of a privately owned SME group of companies established for over 60 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 (Pressavon Ltd est.1953) , Sweden (C Edgren www.c-edgren.se) & Finland (Tappex Finland www.tappexfinland.fi). Tappex also 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 other fastener manufacturers can 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 also available).
OEM applications in most engineering plastics, composites and now light metal alloys are can be supplied from both 'off-the-shelf' fastening products or bespoke solutions, to suit customer / critical applications if necessary. Tappex are able to support the needs of customers whether in small quantites or for significantly higher volume demand on a global basis.
An experienced technical and customer-service team who are available to guide / help customers to the appropriate technical solutions (we have native speakers of English, Bulgarian, Danish, Finnish, French, German, Russian & Swedish languages).
Tappex® offer a broad range of threaded 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).Design guidance available.
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.
The Tappex range of installation tools include: Heat Installer (074 HIV), FlexiArm® (035 series) , Production drivers (029) and Hand tools (030/031 series) which enable the installation of its threaded inserts by either Pressing-in or self-threading methods this to suit a wide range of plastics, laminates, woods & non-ferrous metals. The Tappex FlexiArm® is particularly suitable for batch/medium-volume production operations , offered with a wide range of standard, special production drivers & can incorporate up to x3 Pneumatic, Torque-settable screwdrivers these being Pantograph mounted. Tappex has also designed its own range of manual / hand-installation tools to meet the needs of R & D and low volume requirements for it's comprehensive range of threaded inserts.
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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