The JBO Thread Ring Gauge (NoGo) – Metric Fine, Left Hand, 6g, M22 x 0.75 is a precision inspection tool used to verify the outer threads of metric fasteners and threaded components. Designed for left‑hand thread applications, it provides quick, reliable checks to ensure parts meet the exact diameter and pitch required by standards.

Built for demanding environments, this NoGo gauge is crafted from hardened steel to deliver long-lasting durability and repeatable measurements. Its left‑hand configuration supports left‑hand threaded components, making it a dependable choice for quality control, machining, and assembly teams.

• Accurate Metric Fine NoGo Check: Delivers a precise limit test for external threads (M22 x 0.75) so you can quickly separate conforming parts from those that are out of spec, batch after batch.
• Durable Hardened Steel Construction: Withstands daily handling, wear, and cleaning in busy workshops while maintaining measurement integrity over time.
• Left‑Hand Thread Compatibility with Quick Pass/Fail: Specifically configured for left‑hand threads, the NoGo verification provides fast, clear decisions, reducing inspection time and rework.

Using this gauge helps streamline quality control by delivering consistent results, cutting downtime, and supporting reliable fits in final assemblies. It enables clear documentation of thread conformity, supports standardization across operators, and protects downstream performance across production runs.