The JBO Ring Gauge (GO) - Metric Fine is a precise tool for verifying external thread diameters on components. Designed for right-hand metric fine threads—M52 x 1 (4h size)—it helps engineers, machinists, and quality teams quickly confirm parts meet exact standards.

• Precise Metric Fine GO gauge: Quickly verify external thread dimensions for M52 x 1 right-hand threads, enabling fast, reliable pass/fail decisions during inspection.
• Durable Hardened Steel Construction: Built to withstand everyday workshop use, resisting wear and maintaining accurate measurements over long service life.
• Clear Pass/Fail Identification: Intuitive design provides immediate visual confirmation of conforming threads, reducing inspection time and minimizing rework.

With fast, dependable checks, this GO ring gauge improves inspection throughput, reduces rework, and supports traceability across quality records. The combination of precise sizing and durable construction helps teams achieve consistent results from initial inspection through final assembly, boosting overall workflow confidence in every threaded part.