Made in the U.S.A.
SPECIAL GAGE OF THE MONTH: BAR GAGE
Starrett’s bar gage is a single application measurement instrument which our Special Gage Division designs to meet the requirements of numerous applications such as: inner diameter, outer diameter, rises, drops, lengths, gaps, bores, and dimensions between angled surfaces. Our bar gage is offered with a current Starrett digital or dial indicator, standard or custom contacts to meet the application, and features a low-friction ball bushing with a direct transfer mechanism for exceptional accuracy and repeatability. In order to provide the desired weight, rigidity, and “feel” of the gage while limiting thermal expansion, the gage body can be made from aluminum, steel, composite carbon fiber, or other sufficient materials to meet customer requirements. Custom contacts and gage rests can be made from a variety of suitable materials such as carbide for improved wear resistance, hardened steel to prevent surface chipping, or nylon for use on delicate parts. Our bar gage is meant to be set and reverified on a dedicated master by sweeping to find the lowest reading and then setting the indicator. The gage can then be placed on the part where it can be swept to find the actual gaging dimension. Dedicated masters are designed to replicate the customers’ part at the nominal tolerance. Contact and rest surfaces of the master are made from ground carbide for accuracy and wear control. For digital options, data output can be offered through the Starrett DataSure system or SmartCables to allow for quick and easy data collection. Before manufacturing begins on your custom bar gage, a Special Gage Engineer will work with you and your team to ensure all specifications are met, and a written design approval is received. For more details and information, please contact the Special Gage Division at 978-249-3551 x 163 or SpecialGage@Starrett.com.
MARCH 2023
starrettmetrology.com/specialgage
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