The JBO Thread Plug Gauge is a right-hand, metric fine-thread Go/No-Go gauge designed for M18 x 0.75 applications (6G class). It’s ideal for engineers, machinists, and quality inspectors who need fast, dependable hole sizing checks to ensure parts fit together correctly.

Constructed from hardened steel, it stands up to daily use in workshops and production lines, delivering repeatable pass/fail results with minimal drag or play. The Go/No-Go design lets you confirm acceptance at a glance, speeding setup and reducing rework.

• Go/No-Go Quick Checks: Quickly determine if the threaded hole meets the specified size with a simple pass/fail test, keeping production moving and reducing inspection time.
• Hardened Steel Durability: Built to endure busy environments, resisting wear and maintaining accuracy over thousands of cycles for long service life.
• Precise Metric Fine-Thread Match (M18 x 0.75, 6G, Right-Hand): Directly aligns with your target thread geometry to deliver reliable measurements and consistent results across parts.

Using the JBO Thread Plug Gauge helps you streamline setup, ensure correct mating with threaded components, and reduce rework due to mismatched threads. Its durable construction and precise threading make it a dependable choice for routine inspection and high‑demand applications alike.