The JBO NoGo Plug Gauge is a precision tool for verifying metric fine thread holes. It’s designed for engineers, machinists, inspectors, and technicians who need fast, reliable go/no-go checks to confirm holes meet exact size and thread class requirements.

Specifically built for right-hand M52 x 1.5 metric fine threads with a 6H tolerance, this gauge uses a robust NoGo design to ensure holes are not oversized. Crafted from hardened steel for lasting performance, it’s finished with a knurled body that provides a secure grip during routine inspections.

• Metric Fine thread compatibility: Precisely sized for M52 x 1.5 holes with 6H tolerance, the NoGo design provides a quick, unambiguous check to confirm hole size is within specification and not oversized.
• Durable hardened steel with knurled grip: Built from hardened steel for long life and wear resistance, with a textured, knurled surface for secure, non-slip handling in demanding workshop conditions.
• Easy-to-use, repeatable results: Right-hand metric fine threading and exact dimensions enable fast, repeatable inspections, helping reduce rework and downtime on production lines.

With the JBO NoGo Metric Fine Thread Plug Gauge, you gain a dependable tool that streamlines quality checks, protects assemblies, and supports consistent results across production runs. Built for durability and designed for precision, it enhances inspection workflows on the shop floor, ensuring M52 x 1.5 holes meet the 6H specification every time.