Contact Us

Let us know what you think of our website, our product line, or how our products can help you by contacting DMT®.

We make every effort to reply to your product questions or concerns within two (2) business days.  If it seems we are not getting back to you, it could be that our e-mail response has fallen into your junk or spam folder.   Please be sure to allow for and check for our '' e-mail within your mailbox.  And please do not hesitate to call Monday through Friday, 8:00 am to 5:00 pm eastern time so that we may respond to your questions directly.

Diamond Machining Technology
85 Hayes Memorial Drive
Marlborough, MA 01752 USA
(Driving Directions)

Tel: (508) 481-5944
Toll-Free: 1-800-666-4DMT (4368)
Fax: (508) 485-3924

Inquiries & Feedback

Customer Service
Inquiries regarding products or company

Accounting Department
Inquiries regarding invoices, credits or other accounting questions

Find a Dealer
DMT® products are sold all over the U.S. and internationally

Become a DMT® Dealer
If you are interested in buying DMT® products for resale

Answers to frequently asked questions

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