The JBO Thread Ring Gauge (NoGo) — Metric Fine — Right Hand — 6h — M20 x 1 is a precision tool designed for quality control teams, engineers, machinists, and assembly specialists who need fast, reliable checks of external thread diameters. It helps quickly verify that components meet the M20 x 1 thread with a 6h tolerance, enabling straightforward pass/fail decisions during inspection and assembly.

Crafted from hardened steel, this ring gauge resists wear and maintains dimensional stability in demanding workshop environments, delivering long-lasting accuracy you can rely on.

• Precise NoGo conformance for metric fine threads: Quickly confirm that external threads meet the M20 x 1, 6h tolerance, enabling fast pass/fail decisions and reducing inspection time.
• Hardened steel construction for durability: Withstands daily shop use, resisting wear and corrosion to maintain accuracy over many inspections.
• Right-Hand, metric fine thread design for easy use: Optimized for common right-hand fine-thread components, ensuring quick alignment and repeatable checks in busy QC lines.

By incorporating the JBO Thread Ring Gauge into your inspection routine, you streamline quality control, reduce rework, and improve consistency across production batches. Its durable construction and clear measurement cues help technicians make confident decisions faster, supporting reliable sourcing, manufacturing accuracy, and overall performance of threaded assemblies.