The JBO Thread Ring Gauge (GO) for Metric Coarse threads is a precision inspection tool designed to verify external threads with reliability. Sized for M52 x 5 right-hand threads and rated to 6H tolerance, it’s ideal for quality control, assembly, and maintenance in manufacturing, automotive, and engineering environments.

• Exact GO verification for M52 x 5, right‑hand threads: Quickly confirm the thread diameter and pitch meet the spec, enabling fast, reliable go/no-go checks and reducing rework.
• Hardened steel construction for long life: Built to withstand daily use in busy QC stations, resisting wear to maintain accuracy across many inspections.
• User‑friendly, repeatable checks: Smooth seating and precise machining deliver consistent results with minimal training, helping teams expedite tooling and machining setups.

Using this GO ring gauge supports faster, more accurate quality checks, reducing downtime from thread mismatches and ensuring reliable engagement of metric coarse connections across your parts, assemblies, and maintenance work.