The JBO Thread Ring Gauge (GO) - Metric Fine - Right Hand - 4h - M28 x 1.5 is a precision tool designed to verify external threads with clarity and speed. Built for metric fine threads, it helps inspectors, machinists, engineers, and quality teams quickly determine whether a thread meets exact size and pitch requirements, speeding up go/no-go decisions in production and maintenance tasks.

Crafted from hardened steel, this GO gauge delivers durable performance in busy workshops and on crowded production lines. Its precise GO face provides an immediate, easy-to-interpret indication of compliant threads, supporting consistent inspections and reliable quality control across applications.

• Fast go/no-go verification: Instantly confirm that an external thread matches the M28 x 1.5 right-hand specification, reducing inspection time and eliminating guesswork for operators and inspectors.
• Rugged hardened steel construction: Built to endure daily use in demanding environments, maintaining accuracy and extending tool life through countless inspections.
• Metric fine threading with 4h tolerance: Precisely machined for tight metric fine standards, delivering repeatable measurements across parts and suppliers for reliable quality checks.

Using the JBO Thread Ring Gauge helps streamline quality workflows, minimize rework, and ensure consistent results across batches. Its durable design and exacting dimensions empower teams to verify threaded components quickly, confidently, and with repeatable precision.