Welcome to Dumbarton Tool

Dumbarton Tool Inc. was established in 1986. From the early beginnings we were committed to manufacturing the highest quality cutting tools utilizing the latest technology.

Our employees have decades of experience in grinding carbide and diamond. Constant training in quality, lean manufacturing and ISO 9001 requirements will ensure the highest level of quality cutting tools.



We will create a long term relationship with our Customers in order to become a first choice supplier as well as giving service and technical support second to none. We will strive to give our customers tooling at the best possible price in order to achieve their goal to be a first choice parts manufacturer / supplier.

Lower cost per piece / part without sacrificing quality is our first priority.
We will do whatever it takes to earn your business.


Don't take our word for it.

"Please pass this along to your guys. THANK YOU! The 3 tools that you were able to turn around was an IMMENSE help! The turn around on those drills produced many an amazed face.
Moving forward I hope to decrease these emergency calls and push toward blanket/multiple release. Having said that the customer service and responsiveness of your Company does not go unnoticed, as we all know its if, but when it will be called on, and yours is second to none."

~ Kevin Bell - Premier Machining