The JBO Thread Plug Gauge (GO) – Metric Fine – Right Hand – 6H – M128 x 1.5 is a precision inspection tool built to verify internal threads in threaded holes. It’s ideal for engineers, machinists, quality inspectors, and workshop teams who need quick, reliable go/no-go checks to confirm holes meet exact specifications.

Crafted from hardened steel for exceptional wear resistance, this GO gauge delivers durable, long-lasting performance in busy production environments. Its metric fine thread design ensures accurate checks of M128 x 1.5 holes, helping you prevent misfits and reduce rework in assembly and quality control processes.

• Precise metric fine-thread GO gauge for M128 x 1.5 holes: Enables quick acceptance checks so threaded holes meet exact specifications without guesswork, speeding up inspections and reducing rework.
• Hardened steel construction for durability: Withstands frequent use and repeated insertions, maintaining accuracy and extending tool life in demanding shops and QC labs.
• Right-hand orientation with 6H tolerance: Provides consistent, reliable checks across operators and shifts, ensuring uniform acceptance decisions and smoother quality control workflows.

In practice, this gauge helps you verify threaded holes quickly and confidently, improving workflow efficiency, preventing fit issues with mating components, and safeguarding overall part quality across production runs.