The JBO Thread Ring Gauge (NoGo) is a precision tool for verifying external metric fine threads. Specifically designed for left-hand M27 x 0.75 threads in the 6g tolerance, it helps engineers, machinists, and quality teams quickly confirm parts meet exact size standards and reliably flag out-of-spec threads with a simple inspection.

• Durable Hardened-Steel Construction: Built to withstand daily use in busy workshops, it resists wear and maintains stable tolerances for consistent measurements over time.
• Left-Hand Metric Fine Thread Compatibility: Precisely calibrated for left-hand M27 x 0.75 threads, ensuring accurate inspections without misreads or cross-reading.
• Fast NoGo Verification for QC: Enables quick pass/fail checks to identify out-of-spec parts, helping speed up inspections and improve overall quality control.

Using this gauge speeds up inspection workflows by delivering quick, repeatable pass/fail results, reducing rework and ensuring consistent thread quality across batches. Its hardened-steel construction maintains accuracy over time in demanding environments, helping you protect assembly integrity and improve overall productivity.