DMT - Diamond Machining Technology

Company Profile

DMT Logo

Contact Information

Contact: Mark Brandon
Title: President
Phone: 508-481-5944
Toll Free: 800-666-4DMT
Fax: 508-485-3924


DMT - Diamond Machining Technology
85 Hayes Memorial Dr.
Marlborough MA 1752
United States

DMT® Diamond Machining Technology has been an innovator and producer of the world’s finest diamond knife and tool sharpeners since 1976. DMT USA made products are used by sports and knife enthusiasts, DIYers and professionals alike.

The entire line of DMT products has always been manufactured in Massachusetts, but the Marlborough facility has been home to the firm since 1983 and accommodates sales, marketing and production departments.


DMT Double Sided Diafold in Fine / Extra-Fine Hardcoat Surface

Diamond Hardcoat Double Sided Diafold in Fine / Extra-Fine designed with the Hardcoat Technology to endure to rigors of sharpening ceramic knives. All DMT diamond sharpeners can handle ceramic sharpening but with the Hardcoat surface, the DMT stone will last longer!

DMT in the Home

DMT's sharpeners are comfortable in the kitchen and elsewhere in the home. Keep all your edges sharp with DMT.

Mini-Sharp "Anywhere-Anytime" Sharpeners

You can easily carry this sharpener with you everywhere you a key chain...on you can keep your edges sharp all the time!

Diafold Magna-Guide Kit in Rugged Carry Case

Four diamond grit guided sharpening! The MAGKIT offers portable sharpening using 2 Double Sided Diafold sharpeners. The Aligner Blade Guide (ABG) provides 7-Angle adjustability for the right edge every time, and the MAG -- Magnetic Angle Guide joins the two! Coarse, Fine, Extra-Fine and Extra-Extra Fine diamond grits.

DMT Aligner Prokit in Rugged Carry Case

Aligner Pro Kit includes 3 4-in. stones in coarse, fine and extra-fine diamond grits; a fine diamond serrated sharpening accessory and 7-Angle adjustable, non-marring blade guide that also accommodates a greater range of blade spine widths that are all neatly stored in a compact, rugged carry case.



DMT Sharpening Guide

DMT's handy reference guide provides basic information on selecting the proper sharpening materials, as well as how to sharpen tools.

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