Metric Thread Rings - Chrome

Manufacturer: Hemco

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PRODUCT FEATURES:
Gages conform to ANSI B1.16.
They equal or exceed requirements of ISO-1502 in every respect.

The Go Ring gage simultaneously checks all the thread elements of form, lead and pitch diameter so that the cumulative effect of errors can be determined.
The Not Go Ring gage checks one thread element only-the pitch diameter.
The Minor diameter and the Major diameter are cleared beyond those of the Go ring gage.
Thus the Go ring gage, in going on the part, insures that the lead and form are correct, and the size is smaller than the maximum permitted pitch diameter
of the part.
The Not Go gage, in refusing to go on the part, insures that the size is larger than the minimum permitted pitch diameter.