The JBO Thread Ring Gauge (GO) – Metric Fine, Right Hand, 6h, M18 x 2 is a precision Go gauge designed to verify the external thread diameters of fasteners, sleeves, and threaded components. It’s a reliable tool for engineers, machinists, quality teams, and hobbyists who need quick, dependable checks to confirm parts meet exact standards.

Crafted from hardened steel, it delivers exceptional wear resistance and durability in demanding shop environments. The gauge’s exact Go reference for metric fine threads helps you identify properly conforming components fast, reducing inspection time and ensuring parts stay within specification.

• Durable Hardened-Steel Construction: Resists wear and deformation in busy workshops, delivering long service life and stable, repeatable measurements.
• Accurate Metric Fine Thread Reference (M18 x 2, 6h): Precisely manufactured for metric fine threads, enabling reliable external thread checks and minimizing rework.
• Easy, Quick Go/No-Go Verification: Intuitive design provides fast pass/fail indications, speeding up inspections and ensuring consistent quality.

This gauge helps you streamline quality control, shorten inspection cycles, and maintain tight tolerances across production runs. By delivering clear, reliable results, it supports smoother assembly, reduced downtime, and greater confidence in your threaded components.