JBO Thread Plug Gauge (NoGo) – Metric Fine is a precision tool designed to verify metric fine-threaded holes with reliable, repeatable results. This NoGo gauge is ideal for machinists, inspectors, and manufacturing teams, providing a clear upper-limit check for M142 x 1.5 right-hand threads within 6H tolerance to help confirm hole readiness during setup, quality control, and maintenance.

• Metric fine sizing for precise limits: Specifically machined to M142 x 1.5 with 6H tolerance, delivering a consistent NoGo limit for accurate hole verification and reduced guesswork in inspection routines.
• Hardened steel construction for durability: Built to withstand daily shop use, resisting wear and maintaining dimensional accuracy over time for long-lasting performance in demanding environments.
• Ergonomic and easy to use: Knurled exterior and a straightforward NoGo engagement design enable quick, confident checks with minimal setup, helping to speed up quality inspections and reduce operator fatigue.

Incorporating the JBO Metric Fine NoGo thread plug gauge into your workflow provides dependable hole verification, supports consistent threading quality across parts, and helps minimize rework. Built for reliability in production, maintenance, and quality control settings, it offers a durable, trusted solution for accurate thread inspection.