The JBO Thread Ring Gauge (GO) - Metric Fine - Right Hand - 6h - M38 x 1 is a precision tool designed to verify external thread diameters quickly and reliably. Ideal for engineers, machinists, quality inspectors, and shopfloor technicians, it provides a clear Go check to confirm components meet the M38 x 1 threading standard.

Crafted from hardened steel for outstanding durability, this GO ring gauge withstands daily use in demanding environments. Its ergonomic, knurled outer surface and smooth face help you align parts with ease, delivering consistent, repeatable results during inspections and quality control checks.

• Precise Go check for M38 x 1 threads: quickly verifies that the external thread diameter meets the minimum spec, speeding up inspections and reducing guesswork or rework.
• Hardened steel construction: delivers long tool life with excellent wear resistance, maintaining accuracy even in busy production or workshop settings.
• User-friendly design: easy handling and alignment with a clear pass/fail indication, enabling faster quality checks and less operator fatigue.

Using the JBO GO thread ring gauge helps streamline quality control, improve consistency across parts, and shorten inspection times. It supports reliable mating with fasteners and fittings, enhances workflow efficiency on manufacturing lines or in maintenance shops, and provides dependable, repeatable results you can trust.