The JBO Thread Ring Gauge (GO) for Metric Coarse threads is a precision go gauge used to verify external threads on parts with M27 x 3 specifications. It’s designed for engineers, machinists, inspectors, and quality teams to quickly confirm that threads will mate properly and meet specification.

Manufactured from hardened steel for exceptional durability and wear resistance, this GO gauge preserves accurate measurements even in busy shop environments. Its simple, reliable design and exact dimensions support consistent, efficient quality control and precise assembly in line with industry standards.

• Precise GO gauge for M27 x 3 metric coarse threads: Quickly verify external thread diameter and ensure components will assemble correctly, reducing guesswork and rework.
• Hardened steel construction for durability: Withstands repeated use and resists wear, maintaining accuracy over time in demanding shop conditions.
• Right-hand, 4h tolerance standard: Provides dependable, standard-compliant measurements for common coarse-thread connections, supporting consistent passes/fails across batches.

By using this gauge, you streamline QC workflows, quickly validate mating threads, and safeguard the performance of threaded assemblies. It helps reduce downtime, minimize scrap, and improve confidence in your quality control processes and precision manufacturing.