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"Serving the industry since 1972"

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About Master Tool and Mold

WHO WE ARE

At Master Tool & Mold, we specialize in building plastic injection molds, die cast dies, and providing tooling repair services for manufacturers who can’t afford downtime or compromise. For decades, we’ve helped companies bring parts to life through precision tooling that runs right—every time.

Located in the Midwest and built around a core team of experienced moldmakers and machinists, we offer the flexibility and responsiveness of a small shop with the technical capabilities of a larger one. Whether you're launching a new product or need urgent die repair, we move fast without cutting corners.

Owner of MTM Jim Sperber standing with injection Mold

WHY WE EXIST

We’re a team of problem-solvers, craftsmen, and technicians who care deeply about doing things right. Whether it’s a new mold, a die that needs rework, or a troubleshooting call, we show up with solutions—not excuses.

We speak your language, understand your pressures, and work with you to keep your production running smoothly. Great tools make great parts. And poor tools slow everything down.

Our mission is simple: deliver tools that work, and stand behind them with service you can count on. We understand that our molds and dies directly affect your cycle times, scrap rates, and production schedules—so we treat every project like it’s our own.

CNC machine cutting into P20 steel
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Let’s Build Something Together

Whether you're starting from scratch or looking to extend the life of existing tooling, Master Tool & Mold is ready to help. 

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Tel. (262) 377-8030

765 11th Ave, Grafton, WI 53024

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© 2025 by Master Tool and Mold. All Rights Reserved

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