Description
Insize American Standard Thread Ring Gauge
The Insize 4121-3C1N Thread Ring Gage is designed for precise inspection of external 3/8″-16 UNC threads. This NOGO ring gauge ensures threaded components do not exceed the upper permissible tolerances. Manufactured to ANSI/ASME B1.2 standards in Class 2A, it provides reliable GO/NO-GO verification during machining and inspection operations.
Specifications :
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Part No: 4121-3C1N
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Thread Size: 3/8–16 UNC
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Type: NOGO Ring Gauge
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Class: 2A
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Standard: ANSI/ASME B1.2
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Certification: Manufacturer inspection certificate included
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Design: Solid build with knurled grip
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Application: External thread verification and upper-limit (NOGO) testing
Built for durability and precision, the INSIZE 4121-3C1N ensures your threads remain within tight manufacturing tolerances. Ideal for high-volume industrial environments.
