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4455 W 62nd St
Indianapolis, IN 46268
Phone (317) 293-2165 Website edgetechdiamondtools.com


Small precision diamond tool manufacturers mainly for producing military optical lenses.
At Edge Technologies, Inc., “the leading edge” isn’t just a slogan. Our edges are chemically finished, producing the smoothest and most durable precision radius turning tools in the world.

ETI’s tools are manufactured with natural and synthetic single crystal diamonds that undergo a proprietary chemical-finishing technology which includes RCA and ETI patented equipment and processes. Actual machining experience has determined our tools to be of the very highest quality.