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Starrett Dial Depth Gage with Knife Edge Base, Needle Point Contact and Case - White Face, 0-.125" Range, 0-25-0 Dial Reading, .0005" Graduations - 643JZ
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Starrett Dial Depth Gage with Knife Edge Features
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Designed For Stability - The Starrett 643 Dial Depth Gage has a knife-edge base and a needlepoint contact that have been hardened and ground. This provides stability and accuracy when taking measurements.
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Easy To Use - With a simple design that is easy to operate, even beginners will be able to get the most accurate measurements in no time.
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Wide Range Of Selection - It offers a variety of each of the major classes; mechanical dial, electronic display, lever style test and back plunger. Each type has its own unique strengths.
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Made For You - It offers everything you need, including a broad line of each indicator type, an extensive range of accessories to configure and position the gage, and as needed, an indicator-based, custom engineered solution.
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The Finest Quality Available - Starrett indicators and gages have been the go-to choice for precision measurement for over a century. Our tools are carefully crafted to provide the most accurate readings possible.
About Starrett Dial Depth Gage With Knife Edge
The Starrett 643 Series Dial Depth Gauges, Indicator Type, Inch, have a measurement range of 0 to 0.125", a resolution (or smallest graduation interval) of 0.0005", with + or - 1 graduation (0.0005") for the first 2.5 revolutions of accuracy. The dial face has distinct, easy to read figures. The gauges in this series have a knife-edge base of 2.5" long, and needle point contact that are both hardened and ground for durability and accuracy. The base of these units has a cutout so that the user can see the point to accurately position it for close measurements. Model 643JZ includes a fitted case; model 643J is not sold with a case. Electronic indicators are sold separately. Depth gauges are typically used in manufacturing, machining, and mechanical engineering. Depth gauges are precision measuring instruments used to determine the depth of any shape that has a step, groove, or slot. These gauges often take the form of sliders that travel on a measuring beam or rods, are moved to position by hand, and then adjusted with a calibrated screw. The base of the gauge rests at the top of the shape whose recession is to be measured, while the beam or rods extend to the bottom of the recession to determine the measurement. Gauge position is read from a graduated scale, dial, counters, or an electronic display. The L.S. Starrett Company manufactures precision measuring tools, metrology and testing equipment, and saw blade products. The company, founded in 1880, is headquartered in Athol, MA.
