Tappex Thread Inserts Limited, UK-based, an integral part of a privately owned SME group of companies established for over 60 years now and serving both UK and global OEMS and in turn, their manufacturing supply chains, from its Stratford upon Avon HQ. The Tappex Group also includes: Pressavon Ltd, UK (www.pressavon.co.uk) , Sweden (C Edgren www.c-edgren.se) & Tappex-Finland (www.tappexfinland.fi). Globally, Tappex has also has an International network of independant technical-sales distributors, country-representatives & sales agents.
Tappex® is an original equipment supplier of it's own, UK-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 brass thread inserts, steel & stainless-steel threaded inserts are available, often from stock, for moulding-in, post-mould self-threading and/or physical press-fit installation (24 standard of geometries, metric M1.4 to M30, as well as Unified & British Standards thread forms also available).
OEM applications in most engineering plastics, composite materials and now light metal alloys can be supplied from both Tappex 'standards' as well as Tappex can develop bespoke solutions; this in order to suit customer's critical application(s) if necessary. Tappex are able to support the requirements of customers whether in small quantites or for significantly higher volumes, 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 an established 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 wood & composite-materials fall broadly into 2 categories, namely: Self -threading Inserts, Case-hardened Screws and special Rivet Nuts (with patented bulge control feature). Design guidance is 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 either self-threading or 'press-in' geometries , to suit, including inserts with special external helical-knurl features. Tappex can also supply threaded inserts for plastics with bespoke / special geometries to suit individual customer's installation requirments 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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