GSG is known worldwide as a technical leader in the manufacture of Thread, Cylindrical, Variable Thread, Part Masters, Zero Spindles, and many other types of gages. We have been providing information to the industry for many years, and you can find answers to most common questions in our technical fact sheets. If you do not find the answer to your question in these pages, please contact us and one of our expert representatives will do his or her best to get you the information you need.

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*These downloads require a high speed internet connection. If you do not want to download the PDF, you may also contact us to request that the GSG Comprehensive Technical CD or the Technical Book be mailed to you.