The JBO Thread Plug Gauge (NoGo) – Metric Fine - Right Hand - 6H - M100 x 1.5 is a precision inspection tool used to verify internal thread sizes in metric fine threads. Ideal for quality control in manufacturing, machining, and assembly, this gauge helps you quickly determine whether a threaded hole meets the specified dimensions.

Constructed from hardened steel with a knurled, compact body, it’s built for durability and repeatable results in busy workshops. The M100 x 1.5 size and right-hand orientation align with common metric standards, ensuring reliable measurements over many uses.

• Precise metric fine sizing (M100 x 1.5, 6H, Right Hand): Precisely calibrated to metric fine threads, enabling quick, repeatable hole checks that match standard specifications.
• Hardened steel construction for lasting durability: Resists wear and maintains accuracy through heavy use in shop environments.
• NoGo-style quick QC: Helps you quickly confirm whether holes are within spec and reject out-of-tolerance holes at a glance.

Using this gauge, you gain faster, more reliable thread inspection, reducing rework and ensuring parts meet exact specifications. Its durable build delivers long service life in demanding environments, making it a dependable choice for engineers, machinists, and quality teams alike.