Keyseating Miller (c.1920)            

With over 100 years of experience in the internal
keyseating field, National Machine Tool continues to
supply industries worldwide with solutions to their
slotting requirements.

Our tools have worked on many applications ranging
from the Panama Canal (1900) to the Hubble Space
Telescope for NASA (1990), we can design a keyseater
specifically to your needs.

Family owned and operated, we trust our products to
perform to your specifications. We strive to offer the
service and quality our customers expect.

Feel free to call us with any questions or applications you
may have concerning our tools.