The JBO Thread Ring Gauge (GO) – Metric Fine is a precision tool for quickly and reliably verifying external threads on threaded components. It provides a straightforward GO gauge check to confirm M19 x 1 threads meet metric fine specifications, enabling accurate pass/fail decisions during quality control.

Designed for a wide audience—from engineers and inspectors to machinists, buyers, and hobbyists—this GO gauge helps you identify properly conforming threads at a glance, reducing misfits and rework in assembly and maintenance tasks.

• Exact metric fine GO gauge for M19 x 1 threads: quick pass/fail verification of external threads, speeding up quality control and reducing inspection time.
• Hardened steel construction for durability: withstands daily wear in busy workshops, delivering long service life and consistent performance.
• Right-hand orientation for intuitive use: easy handling across operators, promoting uniform inspection results and faster setup.

By using this GO gauge, you simplify and accelerate external-thread inspections, helping ensure components meet standards with confidence. It supports faster throughput, reduces rework, and improves consistency across assemblies, contributing to better overall quality and longer-term reliability of threaded connections.