The JBO Thread Ring Gauge (GO) - Metric Fine - Right Hand - 4h - M38 x 1 is a precision external thread gauge used to verify that components meet exact thread diameter and pitch specifications. Designed for go/no-go inspection, it helps technicians quickly determine whether a threaded part passes the required standard and can be safely mated with corresponding fasteners.

Ideal for engineers, machinists, quality-control teams, buyers, tradespeople, and hobbyists, this GO gauge delivers dependable checks for M38 x 1 metric fine right-hand threads. Its purpose-built design supports fast, reliable conformance verification in a variety of production and workshop environments.

• Precise M38 x 1 Go-Size for metric fine threads: Quickly confirm external thread engagement and diameter against the exact M38 x 1 specification, enabling fast pass/fail decisions during inspection.
• Hardened steel construction for durability: Built to withstand routine use in demanding environments, resisting wear to keep measurements accurate over time.
• Ergonomic, knurled outer surface for easy handling: Provides secure grip and quick setup, reducing inspection time and operator fatigue.

In daily use, the gauge streamlines quality control by delivering consistent, repeatable measurements, speeding part verification, and supporting tighter process control across production runs. It helps you confidently identify conforming components and maintain reliable performance in assembly and maintenance tasks.