The JBO Thread Ring Gauge (NoGo) - Metric Fine (Right Hand, 6h, M28 x 1) is a precision tool used to verify external thread diameters on fasteners and machined components. It’s ideal for quality control teams, engineers, and workshop technicians who need fast, reliable checks to confirm parts conform to specification. Crafted from hardened steel, it delivers durable, wear‑resistant performance that stands up to daily use in demanding environments.

• NoGo Quick-Check for Threads: A simple pass/fail indication helps you quickly identify non-conforming external threads, reducing inspection time and avoiding downstream rework.
• Hardened Steel Construction: Durable, wear‑resistant material that maintains accuracy over many uses in busy workshop settings.
• Metric Fine, Right-Hand, 6h, M28 x 1 Specification: Precisely matched to standard metric fine threads, ensuring reliable measurements and correct orientation for typical assemblies.

This gauge streamlines your quality workflow by delivering repeatable, trustworthy results from the first check. With robust construction and accurate dimensions, it supports consistent part acceptance, reduces downtime, and helps you maintain high standards across production runs and inspections.