The JBO Thread Ring Gauge (NoGo) - Metric Fine, Right Hand, M64 x 1.5 is a precision tool for quickly verifying external thread diameters. It’s ideal for machinists, quality inspectors, and maintenance teams who need reliable go/no-go checks on metric fine threads. Built to deliver repeatable results in busy workshops, it helps you confirm parts meet exacting standards at a glance.

• Precise NoGo standard for Metric Fine threads: Quickly verify that the M64 x 1.5 right-hand thread conforms to spec, helping you catch out-of-tolerance parts before they proceed.
• Hardened steel construction for durability: Built to withstand daily use in demanding environments, resisting wear and maintaining dimensional accuracy over time.
• Fast, user-friendly inspection: Easy to read, simple alignment, and clear go/no-go results to shorten setup and inspection times in busy production or workshop floors.

Used as part of a quality-control workflow, the JBO Thread Ring Gauge improves inspection speed, reduces rework, and supports consistent thread quality across lots. By providing reliable, repeatable measurements of external metric fine threads like M64 x 1.5, it helps you accelerate assembly readiness, pass audits, and keep production downtime to a minimum.