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Flexbar 19540 | Thread Ring Gage Set, Class 2A GO-NOGO | 1/2-13 UNC
Part Number : 19540
Flexbar 19540 is a Class 2A GO-NOGO thread ring gauge set in the 1/2-13 UNC size, used to check external threads. The rings are made to "X" tolerance. Classes 2A and 2B are the classes most commonly used for general applications, so the 19540 set suits 1/2-13 UNC bolts, screws and similar fasteners.
Key features
- Thread size: 1/2-13 UNC
- Class 2A
- GO-NOGO ring gauge set
- "X" gauge tolerance
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