The JBO Thread Plug Gauge (NoGo) - Metric Fine - Left Hand - 6H - M68 x 1.5 is a precision measuring tool designed to verify internal threads in metric fine-pitch holes. It’s a reliable gauge for engineers, buyers, tradespeople, hobbyists, and non-technical customers who need quick, confident checks that holes meet exact size and tolerance requirements.

Built to withstand daily shop use, this NoGo plug gauge uses hardened steel construction and a metric fine thread profile to deliver durable, repeatable measurements. The left-hand orientation matches specific thread configurations, helping you confirm that your left-hand threaded holes conform to the 6H class with minimal downtime.

• Left-Hand metric fine NoGo design: Precisely matched to M68 x 1.5 left-hand threads for fast, reliable checks in your inspection routine.
• Hardened steel construction: Resists wear and corrosion, delivering long service life in demanding workshop environments.
• Precision-ground threads for consistency: Maintains tight tolerances for repeatable measurements, helping reduce rework and improve QA confidence.

Using this gauge streamlines your inspection workflow by providing quick, trustworthy verification of internal threads. It helps ensure parts fit correctly, reduces guesswork during assembly, and supports consistent quality across batches. With a robust, long-lasting design, you can rely on the JBO Thread Plug Gauge (NoGo) to deliver dependable performance for metric fine, left-hand threaded holes (6H, M68 x 1.5).