The JBO Thread Plug Gauge is a precision inspection tool built for metric fine threads. It’s designed to verify M13 x 1.5 threaded holes in assemblies that demand exact fit and reliable performance.

Configured for Right-Hand threading and 6H tolerance, this Go/No-Go gauge lets you quickly confirm whether a hole meets specification. The result is faster setup, fewer rejects, and consistent assembly quality in both small shops and high-volume production environments.

• Go/No-Go design for rapid hole validation: Quickly determine if a threaded hole is within spec by testing both the go and no-go limits, speeding up QA and reducing downtime.
• Metric fine-thread compatibility: M13 x 1.5, Right-Hand, 6H: Precisely matched to M13 x 1.5 internal threads with 6H tolerance, ensuring accurate checks and reliable results across production runs.
• Hardened steel construction for durability: Built to resist wear and maintain accuracy through frequent use in busy shop environments.

Using the gauge helps you streamline threaded-hole validation, reduce rework, and maintain high-quality assemblies from one job to the next. Its durable construction and precise Go/No-Go checks give you confidence when setting up tooling, mating parts, or performing routine maintenance in any precision machining or manufacturing workflow.