Meet the JBO Thread Ring Gauge (GO) for Metric Coarse threads. Designed for quality teams, machinists, engineers, and technicians, this Go gauge verifies external M4.5 x 0.75 coarse threads quickly and reliably, helping parts meet spec and ensure proper fit in assemblies across industries.

• Durable Hardened Steel Construction: Engineered for long tool life and wear resistance, maintaining precise Go gauge dimensions through repeated inspections in busy shop floors.
• Accurate Metric Coarse Thread Standard (M4.5 x 0.75): Specifically tuned to validate external coarse threads, ensuring components match the M4.5 x 0.75 specification and fit reliably in your assemblies.
• Ergonomic, Lightweight 6g Right-Hand Design: Easy one-handed operation at QC stations, reducing operator fatigue and speeding up routine gauging tasks.

By delivering consistent gauging results, the JBO Thread Ring Gauge minimizes guesswork, accelerates acceptance testing, and supports tighter quality control. Use it to verify thread engagement during assembly and prevent misfits before production moves forward, helping your workflow stay efficient and your parts consistently within spec.