The JBO Thread Plug Gauge (NoGo) — Metric Fine — Right Hand, 6H, M150 x 1.5 — is a precision tool designed for inspecting metric fine threaded holes. It helps engineers, machinists, and quality teams quickly verify that holes meet the required size and tolerance, reducing guesswork and rework in manufacturing and inspection tasks.

Made from hardened steel with a knurled body for secure handling, this gauge is built to withstand daily use in busy workshops and demanding environments, delivering reliable performance over the long term.

• Hardened steel construction: Durable, wear-resistant material that stands up to repeated inspection tasks and maintains measurement accuracy over time.
• Metric Fine M150 x 1.5 NoGo design: Precisely sized for metric fine threads with NoGo verification, enabling dependable checks to prevent undersized holes from passing.
• Right-hand orientation with knurled grip: Easy to grip and position in standard setups, ensuring repeatable seating and fast, confident go/no-go confirmations.

This plug gauge streamlines quality control by delivering fast, decisive measurements for internal threads. Its durable build minimizes downtime, reduces the risk of nonconforming parts reaching assembly, and supports consistent results across production runs and repairs.