Founded in 1976, DMT® continues to be an entirely ‘Made in the USA’ company with all products manufactured in the company’s facility in Marlborough, Massachusetts and distributed throughout the world. DMT is the leading innovator of manual diamond sharpening technology for people and industries dependent upon high performance edges. Incorporating diamond’s ability to abrade hard metals, DMT's engineering and product development expertise and patented processes have evolved and expanded to service industrial, commercial and consumer markets.
