The JBO Thread Ring Gauge (GO) - Metric Fine - Right Hand - 6g - M145 x 4 is a precision tool designed to verify external thread diameters quickly and reliably. It is ideal for engineers, machinists, quality inspectors, and buyers who need consistent, standards-compliant thread checks during manufacturing, assembly, or procurement.

Crafted from hardened steel, this gauge is built for durability in busy workshops. Its user-friendly design provides clear go/no-go feedback, making it easy to identify properly conformed threads and keep your QA processes on track.

• Metric fine GO gauge for external thread verification: Delivers fast, accurate pass/fail checks against metric fine thread standards, supporting quick QC decisions.
• Durable hardened steel construction: Resists wear and maintains accuracy over thousands of inspections in demanding environments.
• Right-hand, 6g tolerance for reliable compatibility: Designed to match common right-hand threads with 6g class tolerance, ensuring consistent results across parts and reducing guesswork in assembly.

Using the JBO Thread Ring Gauge helps tighten quality control, accelerate inspections, and improve overall thread-fit results across your projects. Its combination of precise metric fine threading, durable build, and standardized tolerances delivers dependable, repeatable checks that you can rely on from first part to last.