Kenosha Reuse Discussion Board > CALEDONIA, WI
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> Starrett S831EZ .125IN to .500IN small hole gage set
Starrett S831EZ .125IN to .500IN small hole gage set
* Hardened ball measuring surface with two-point contact. Smooth, sensitive size adjustment. The contact surface consists of a split ball that is adjusted to size by a knurled knob at the head of the gage.Final size thousandths of an inch is obtained by measuring over the ball contacts with a micrometer. Contacts are hardened for long life. Radius is less than the minimum diameter to measured, thus providing two-point contact.Series 830 and 831 gages have ball contacts with flat ends, permitting shallow slots and recesses to be measured. Case included only with models S829EZ, S830FZ and S831EZ. ISO certified
