Boneham & Turner Ltd is a leading manufacturer and supplier of precision standard tooling components and special tailored solutions. 

Boneham & Turner have been manufacturing in the UK for over 100 years, specialising in the manufacture and supply of standard and special, Jig Bushes, Drill Bushes, Dowel Pins, Jig & Fixture Location Parts, Shims, Koenig Sealing Plugs and Flow Control, Engineered Pins, Clevis Pins and Composite Alignment and Fixing solutions.

The Koenig Expander and Koenig Check Valve are market leading mechanical sealing and flow control components for sealing or controlling the movement of liquid or gaseous medium through hydraulic or power-driven systems.