The JBO Thread Ring Gauge (NoGo) for Metric Fine threads, Left Hand, 6g, M25 x 1.5 is a precision external-thread gauge designed to verify diameter accuracy quickly and reliably. It’s ideal for engineers, machinists, quality teams, and maintenance professionals who need fast, Go/No-Go checks to confirm parts meet specification across a range of fasteners, fittings, and machined components.

• Go/No-Go Verification for M25 x 1.5 Left-Hand Threads: Quickly determine if a component’s external thread is within tolerance, helping you identify non-conforming parts in seconds and keep production moving.
• Hardened Steel Construction: Built to endure daily shop use, this gauge resists wear and maintains its accuracy over thousands of inspections, even in tough environments.
• Left-Hand Thread Ready and Easy to Align: Specifically designed for left-hand threads, with simple orientation to reduce setup errors and speed up inspection workflows.

With its durable build and targeted Go/No-Go capability, this gauge helps streamline quality control, reduce unnecessary reworks, and deliver reliable results every shift. Whether you’re verifying parts on an assembly line or performing routine maintenance checks, you can trust that readings stay consistent and easy to interpret, allowing your team to move forward with confidence.