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Wallwork Group

Wallwork Group
Complete metal treatment services, Wallwork Group improves the performance of engineering components by heat treatment, case hardening, annealing, plasma coating, carburising, vacuum brazing, coating by physical vapour deposition and more.
Lord Street
Greater Manchester
United Kingdom
T. +44 (0)161 797 9111
F. +44 (0)161 763 1861

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1) Wallwork PVD coating used to produce Petrol Blue - Bailey of Sheffield stainless steel bracelet

6 image available

Hard coatings designed to protect metal aerospace and motorsport components working in the harshest environments are now being used to give a further aesthetic dimension to technical jewellery. Bailey of Sheffield, who’s iconic precision engineered stainless steel bracelets and necklaces have a near cult following, are now working with aerospace coatings specialist Wallwork Cambridge to enable products to be customised by clients with long life colours.

MD Scott Bailey explained, “At the core of what we do is a technical aesthetic that allows our users to demonstrate their individuality. We combine precision engineering with hand finishing and assembly, producing uniquely numbered jewellery pieces that have their own character. Colour provides another level of customisation. We can offer an ever-expanding range of finishes from matt and gloss black through to gold with shades of rose, petrol blue and other colours in between.”

The latest addition to the Bailey range are beads, finely machined cylinders in different geometries. These are available in the full colour spectrum and provide a further level of personal customisation as customers can mix and match to suit their own style. A customisation tool on the Bailey web site allows clients to select the cable bracelet size, cable colour, bead geometry and the colours and number of beads.

Technical coatings are applied by Wallwork, in vacuum chambers, designed and built by themselves. Using a physical vapour deposition (PVD) process, the items to be coated are rotated on a carousel within the vacuum chamber where a donor material in a crucible is bombarded with a high-energy electron beam. This vaporises the donor material which is drawn to and condenses on the surface of the item to be coated under the influence of a negative electrical charge. This ensures perfect coating of even the most complex shapes. The micro-thin coating is even harder than the stainless steel substrate and is engineered to have a precise thickness and microstructure to impart the colour required.

Speaking for Wallwork, Howard Maher explained, “The use of high value industrial coatings in the decoration of jewellery is rising. Watches, mobile phone cases and other personal products can all be PVD coated using a range of materials to achieve different colours and finishes. Since these are industrial finishes, designed to give hardness and other properties to engineering components operating at extremes, they have exceptional durability which means the jewellery retains its good looks way beyond when other finishes would fade and fail.”

More Information

Wallwork Group
Howard Maher, Sales Manager
Tel. +44 (0)161 797 9111 Fax. +44 (0)161 763 1861
E-mail: Web:
Wallwork Group, Lord Street, Bury, Greater Manchester, BL9 0RE

Bailey of Sheffield
Scott Bailey, Managing director, Tel +44 (0)7752 757 954
E-mail: Web:
Portland Works, Randall Street, Sheffield, S2 4SJ

Release issue: June 27, 2017


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