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Flexbar 19533 | Thread Ring Gage Set, Class 2A GO-NOGO | 1/4-28 UNF
Part Number : 19533
For 1/4-28 UNF external threads, the Flexbar 19533 set supplies GO and NOGO thread rings to Class 2A. Flexbar produces them to "X" tolerance. Class 2A, with 2B for internal threads, is the class most often specified for general fasteners, which makes this set useful for 1/4-28 UNF bolts and screws.
Key features
- Thread size: 1/4-28 UNF
- Class 2A
- GO-NOGO ring gauge set
- "X" gauge tolerance
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