The JBO Thread Ring Gauge (GO) - Metric Coarse - Left Hand - M24 x 3 is a precision inspection tool designed to verify external threads on metric coarse fasteners and components. It’s ideal for machinists, inspectors, engineers, and shops that require quick, reliable Go/No-Go checks to ensure parts meet the M24 x 3 specification, including left-hand threaded assemblies.

Manufactured from hardened steel, this GO gauge delivers durable performance and wear resistance to maintain accurate measurements through repeated use in demanding environments. Its simple, robust design supports easy handling and fast alignment, delivering consistent results during routine quality checks and assembly planning.

• Hardened steel construction: Built to resist wear and maintain tight tolerances through repeated use, delivering long service life in demanding shop environments.
• Metric coarse M24 x 3 Go gauge: Enables quick Go/No-Go verification of external threads, helping you confirm parts meet the M24 x 3 specification and reduce guesswork.
• Left-Hand orientation: Designed to match left-hand threaded components, reducing setup errors and ensuring correct gauge alignment during inspections.

Using the JBO Thread Ring Gauge keeps inspections fast and reliable, supports accurate mating of threaded parts, and helps maintain consistent quality across production and maintenance tasks.