The JBO Thread Plug Gauge (GO) - Metric Fine is a precision tool used to verify internal threads in tapped holes. It provides quick, go/no-go checks to confirm holes meet exact size and pitch requirements, helping maintain tight quality standards on every part.

Designed for right-hand metric fine threads (M56 x 2) with a 6G class, this gauge is ideal for engineers, machinists, QA inspectors, and shop technicians who need dependable thread verification in manufacturing and maintenance environments. Crafted from hardened steel, it stands up to daily use and resists wear, ensuring long-term reliability in busy workshops.

• Fast go/no-go thread verification: Quickly confirm holes are within tolerance by simple insertion, reducing inspection time and rework.
• Durable hardened steel construction: With wear‑resistant material and precision-ground surfaces, it stays accurate and lasts through demanding daily use.
• Metric fine, 6G, right-hand design: Precisely matched to M56 x 2 fine-pitch threads in a 6G internal class with right-hand direction for reliable compatibility across common parts.

In practice, the JBO GO gauge streamlines quality control and setup, helping you make confident, fast decisions about each part. Its reliable performance reduces downtime, minimizes scrap, and supports consistent results across production runs. Built for reliability, this gauge is a trusted companion for workshops and manufacturing floors that demand repeatable, precise thread checks.