Boneham & Turner Ltd – UK

Boneham & Turner Ltd were established in 1918 developing extensive experience in manufacturing and sourcing precision components. Boneham & Turner Ltd prides itself on the design, manufacture and procurement of superior quality components, to uphold and build upon, the company’s reputation as a leading provider of standard and special precision components, to customer and global market requirements within the automotive, aerospace, auto sport, general engineering, medical and commercial vehicle sectors.

Boneham & Turner Ltd.’s continuous improvement process commits to constantly review, maintain and revise quality procedures, and objectives, to strictly follow quality approval systems, meeting the requirements of BS EN ISO 9001: 2008.

The fully documented Quality Manual guides personnel and product through stringent quality control procedures to ensure that customer requirement and expectation are met.

B&T commit to complying with all legislation, regulations and codes of practice associated with the products manufactured and supplied, such as REACH, ROHS, WEEE and COSH.

Behind the: Koenig Expander | Koenig Restrictor | Koenig Check Valve

Koenig products are manufactured in Switzerland and follow a strict manufacturing process outlined my a Quality Management system which adheres the following standards:


  • ISO 9001:2008
  • ISO 14001:2004
  • ISO Standard/TS 16949
  • AS9100


Boneham & Turner Ltd & SFC Koenig bring together a unprecedented commitment to quality, delivering the Koenig Expander, Koenig Check Valve and Koenig Restrictor to the UK market 100% inspected, right through from raw material to the finished component. Safety and quality is always at the forefront of the Koenig brand.