John Walton (Machine Tools) Limited are the Sole and Exclusive Agent for Matsumoto MMK Power Chucks and Cylinders - Manufactured in Kanazawa, Japan
 
The range is vast, and encompasses all that is required from a Power Chuck Manufacturer with a range of open and closed centre chucks and corresponding hydraulic and pneumatic cylinders.

Of particular note in the range - The 6 Jaw Power Chuck, which can offer the clamping abilities of both 2 and 3 Jaw Chucks without the need to change from Chuck to Chuck - and the larger diameter Power Chucks from 18" and above.

A range of Special Chucks for Aluminium Road Wheels is one of the companies fortes. MMK offer standard packages that are specified on many Japanese and US built machine tools.