United Stamping LLC

United Stamping is the manufacturer of the RDZ spring loaded diamond engraving tool. We have been making these tools in our Connecticut facility since 2003. The tools are manufactured and assembled in our facility using materials sourced from the USA. They are made by highly skilled machinist with years of experience. We use our experience and feedback from our customers to continuously improve our tools. In the near future we will be adding a new line of tools that will expand our capabilities and help to grow our company. We strive to supply the engraving community with a quality product and reasonable pricing.

Products & Services

We manufacture a variety of diamond drag engraving tools. They are made in 60, 90 and 120 degrees to fit your needs. The spring loaded feature allows you to engrave on a surface that is not perfectly flat to give you a nice uniform mark.

Nature of Business



71 Putter Ln
Torrington, CT 06790-2360


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