Thread Gages


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OSG Tap & Die (OSG; Glendale Heights, IL) is proud to introduce a new series of high precision standard thread limit gages designed to inspect the pitch diameter and the functional thread for internal threaded products.


Product highlights include:

• Superior accuracy

• Maximum wear resistance

• Available in inch and metric sizes


Thread limit gages consist of Go and NoGo gages. Go gages should be screwed in and passed through by hand without difficulty. NoGo gages should not be screwed in by more than two revolutions.