The JBO Ring Gauge (GO) - Metric Coarse, Right Hand, 6h, M2.2 x 0.45 is a GO thread ring gauge designed to verify external thread sizes against standard metric coarse thread specifications. It’s a reliable go-to tool for quality control, precision engineering, and workshop tasks that require quick, trustworthy checks on small fasteners and fittings.

Manufactured from hardened steel, this gauge delivers durability and wear resistance to maintain accuracy through repeated use in busy shop environments. Its precise geometry and comfortable form support fast, repeatable inspections, helping you minimize rework and ensure proper fitment of metric coarse threaded connections.

• Precise metric coarse sizing (M2.2 x 0.45) with 6h Right-Hand orientation: Enables quick GO checks against standard coarse-thread dimensions, ensuring parts meet the correct size and thread form every time.
• Hardened steel construction for durability: Built to withstand daily wear in busy workshops, delivering long service life and stable accuracy across many inspections.
• Easy-to-use design for fast, repeatable checks: Clean machining and ergonomic handling support smooth, consistent inspections with minimal setup, reducing downtime and rework.

With the JBO GO thread gauge, you gain confidence in every measurement, supporting reliable assembly and quality control across manufacturing, maintenance, and repair tasks. The durable, precision-engineered tool helps streamline inspections, speed up workflows, and ensure that metric coarse thread connections meet specification every time.