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Chamfer Gage Calibration

Chamfer gauges and countersink gauges are frequently used to measure the top diameter of tapered bore when machining parts. Both typically function by utilizing a plunger mechanism which is connected to a digital or analog gauge readout. As the plunger recesses into the gauge when pressed into the bore, it measures the upper bore dimension and in the case of countersink gages, the form of the taper can be determined as well.

Some of the key differences between the two types, are that chamfer gauges typically utilize a three blade or three point plunger, whereas a countersink gauge features a solid conical plunger. This solid cone can also act as a secondary reference, allowing the user to determine the form of the entire taper rather than just the inside diameter at the top of the bore.

While this is an excellent feature, countersink gauges also have a much smaller or specific range which requires a greater number of gauges for reference. Unlike chamfer gauges, due to their smaller range they also require a master set ring for zero. Since chamfer gauges usually have a wider range with a secondary revolution counter, they can typically be set or “zeroed” on any flat surface.

Cross offers NIST traceable chamfer gage calibration and countersink gage calibration with master standard ring gauges, gage blocks, and surface plates. Our technicians take a minimum of five measurements over the range of the instrument which we can provide on a certificate of calibration. In addition, with Cross, your quality team can access these certificates 24/7 using GageSuite®, our online calibration certificate tracking system.

For more for more information about chamfer gage calibration, or to get a quote for service, click on the button below to get in touch with a Cross team member.

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