JBO Thread Plug Gauge (NoGo) - Metric Fine is a precision tool designed to verify metric fine threaded holes. It provides reliable go/no-go checks to confirm hole size and thread engagement meet strict standards, making it suitable for manufacturing, quality control, and maintenance environments. The gauge is a Right Hand type with a 6H tolerance class and an M52 x 3 size, aligning with common metric thread standards.

Crafted from hardened steel, the JBO plug gauge delivers durability and wear resistance for long service life. Its robust construction stands up to repeated use in demanding workshops, reducing tool replacement frequency and maintaining measurement reliability across shifts.

• Metric Fine thread compatibility: Precisely tuned for metric fine threads to deliver accurate hole checks and consistent results in tight tolerances.
• Durable hardened steel construction: Built to resist wear and maintain accuracy, ensuring reliable performance in busy, high-use environments.
• Right Hand, 6H, M52 x 3 specification: Exact size and orientation for compatibility with standard metric holes and common inspection setups for reproducible results.

Using this gauge helps speed up quality inspections, reduces guesswork during threading checks, and supports consistent results across parts and production runs. Its precise, rugged design makes it a dependable addition to any shop, QC lab, or maintenance toolkit.