Suitable for the Dickson S4 tool post. Used on the clamp bolt to clamp and unclamp the tool holders from the tool post body allowing holders to be interchanged in seconds.
The world renowed Dickson quick change system was developed as a major advance from the conventional four way toolpost.
A verstaile range of supplied toolholders can be interchaged in seconds. providing a flexible approach to maching, giving significan set-up time savings.