The JBO Thread Ring Gauge GO (Metric Fine) is a precision inspection tool designed to quickly verify external thread diameters to the M38 x 2 metric fine standard. It’s ideal for engineers, machinists, quality teams, and workshop technicians who need fast, reliable confirmation that parts meet exact thread specifications before assembly or final inspection.

Crafted from hardened steel, this GO ring gauge combines durable construction with tight dimensional control. Its right-hand design and 6h specification deliver dependable measurements in demanding environments, helping you spot nonconforming parts at a glance and keep production moving.

• Precise GO Gauge for M38 x 2 Metric Fine Threads: Provides accurate external thread diameter checks aligned to the M38 x 2 standard, enabling quick pass/fail decisions and consistent thread quality across batches.
• Hardened Steel Construction for Long Life: Built to withstand daily use on busy shop floors, resisting wear and maintaining calibration for reliable results over time.
• Ergonomic Right-Hand Design for Easy, Fast Inspections: Designed for comfortable handling and fast alignment with components, reducing inspection time and operator fatigue.

This gauge streamlines your quality control workflow by delivering fast, confident verifications of external threads, helping prevent costly rejects and rework. With durable construction and a simple, intuitive check process, it supports consistent results, minimizes downtime, and ensures components meet specifications from the first measurement to the last.