The JBO Thread Ring Gauge (GO) – Metric Fine – Right Hand – 4h – M33 x 1.5 is a precision tool designed to verify external metric threads. It helps inspectors, machinists, and quality-control teams confirm that threaded components meet the exact M33 x 1.5 size within the 4H tolerance. The GO design supports quick, reliable pass/fail checks, promoting consistent assembly and interchangeability across production workflows.

Crafted from hardened steel, it resists wear and preserves dimensional accuracy even in high-volume environments. The simple ring design makes alignment with external threads quick and straightforward, helping you complete checks with confidence.

• Precise metric GO size for M33 x 1.5 threads: Verifies external thread dimensions to the 4H tolerance so you can confidently approve parts that fit and reject those that don’t, reducing guesswork in quality control.
• Durable hardened steel construction: Built to last in demanding shops, resisting wear and maintaining accuracy through thousands of inspections.
• Easy-to-use ring design with right-hand threads: Quick, intuitive checks that fit standard fasteners and fixtures, speeding up setup and minimizing inspection time.

By using this gauge, you streamline your inspection workflow, cut rework, and ensure consistent results across batches. It helps you maintain dimensional fidelity, improve fit during assembly, and support reliable performance in every project.