The JBO Thread Plug Gauge (GO) – Metric Fine, Right Hand, 6H, M64 x 2 is a precision go/no-go tool used to quickly verify internal threads in holes. It’s designed for engineers, quality inspectors, machinists, and technicians who need reliable, repeatable checks to confirm holes meet exact M64 x 2 specifications.

Crafted from hardened steel, this gauge delivers long-lasting performance in demanding work environments. Its knurled grip and simple Go-side action support fast, confident insertions during quality-control checks.

• Precise GO gauge for M64 x 2 threads: The Go-side validates that a hole accepts the exact size, allowing quick pass/fail checks and reducing guesswork during assembly and inspection.
• Durable hardened steel construction: Built to withstand daily shop use, it resists wear and maintains dimensional stability for many cycles of use, minimizing replacement costs.
• Ergonomic, easy-to-use design: Knurled surface provides a secure grip and straightforward Go/No-Go testing, speeding up inspections and improving consistency across operators.

Used in manufacturing, automotive, and precision machining, this gauge helps you confirm hole readiness fast, cut down inspection time, and ensure consistent results across batches. With accurate metric fine geometry, durable construction, and intuitive handling, the JBO Thread Plug Gauge (GO) supports reliable quality control, reduces rework, and keeps your production moving smoothly.