The JBO Thread Ring Gauge (NoGo) is a precision tool for verifying external thread diameters on fasteners and threaded components. Sized for Right Hand threads, Pg 11 x 18, it is ideal for manufacturers, automotive and aerospace shops, inspection laboratories, and maintenance teams that need fast, reliable thread checks aligned with Unified thread standards.

• NoGo design for rapid pass/fail detection: Quickly identify non-conforming threads to prevent improper fitment and reduce inspection time and rework.
• Precision, standard-aligned dimensions: Meticulously designed to verify external thread diameters in line with Unified thread standards, ensuring consistent, reliable results across parts.
• Durable hardened steel construction: Built to withstand daily shop use, maintaining accuracy and offering long service life even in demanding environments.

Using this gauge in your quality control workflow helps you achieve consistent, reliable thread verification, speeds up inspection cycles, and reduces downtime from mismatched parts. The robust construction ensures readings stay stable over time, while the NoGo signaling provides clear, objective indication of fitment, boosting confidence in every threaded assembly.