JBO Thread Plug Gauge – Metric Fine Go/No-Go, Right Hand, 6H, M3.5 x 0.35 is a precision inspection tool designed to verify threaded holes with metric fine threads. It’s ideal for engineers, machinists, quality teams, and workshop professionals who need fast, dependable confirmation that a hole will accept the mating thread.

The gauge features a hardened steel body with a textured, knurled grip for secure handling in busy work environments. Its Go/No-Go design delivers clear pass/fail feedback at a glance, helping you speed up setups, reduce guesswork, and keep production moving smoothly.

• Fast Go/No-Go Verification: Quickly confirms hole size and thread fit for M3.5 x 0.35 fine threads, speeding inspections and minimizing errors.
• Durable, Wear-Resistant Construction: Hardened steel construction withstands daily shop use, maintaining accuracy and extending the gauge’s service life.
• Metric Fine Thread Precision for 6H Holes: Specifically designed for right-hand metric fine threads with 6H tolerance, ensuring consistent, reliable results across batches.

Using this gauge streamlines quality control and assembly workflows by providing immediate, reliable validation of threaded holes. It helps reduce rework, cut downtime, and ensure components fit together as intended on the first pass.