The JBO Thread Plug Gauge is a precision Go/No-Go inspection tool designed for metric fine threads. Specifically sized for M14 x 0.75 with a 4H tolerance, this right‑hand gauge helps you quickly verify threaded holes so mating parts fit as intended.

Built for daily shop use, it features hardened steel construction and a textured knurled body for easy handling, even with oil or gloves. The right-hand design aligns with standard threading directions, making it a seamless addition to any quality control or assembly workflow.

• Go/No-Go Quick Checks: Perform fast pass/fail inspections of threaded holes, reducing guesswork and speeding up assemblies.
• Durable Hardened Steel Body: Withstand daily wear in busy shops while maintaining measurement accuracy over time.
• Metric Fine Thread Precision (M14 x 0.75, 4H, Right-Hand): Precisely matched to common metric fine-thread standards for reliable, repeatable results.

With this gauge, your team gains confidence in fit and function across parts, minimizes rework, and keeps production flowing. The combination of quick Go/No-Go checks, durable construction, and precise sizing supports consistent quality in machining, assembly, and inspection tasks, making it a dependable tool for engineers, technicians, and quality professionals alike.