The JBO Thread Ring Gauge (GO) for trapezoidal threads, Right Hand, 7e, Tr. 18 x 4, is a precision inspection tool designed to quickly verify external thread diameters and confirm conformity to exact thread standards. It’s ideal for engineers, inspectors, machinists, and shop floor personnel who need reliable go/no-go checks to ensure parts meet specification during assembly, manufacturing, or repair work.

Crafted from hardened steel, this GO gauge offers outstanding durability and wear resistance for busy environments. Its knurled outer edge provides a secure grip for precise handling and fast alignment, even when gloves are in use, helping you maintain consistent, repeatable measurements across multiple parts.

• Trapezoidal Right-Hand GO Gauge: Quickly verify external trapezoidal thread diameters against the 7e Tr. 18 x 4 standard, delivering fast, clear go/no-go decisions during inspection and assembly.
• Hardened Steel, Durable Construction: Built to withstand repeated use in demanding settings, maintaining measurement accuracy and reducing replacement costs over time.
• Ergonomic, User-Friendly Design: Secure grip and straightforward geometry enable easy handling and quick identification of conforming parts, minimizing downtime on the line.

This gauge supports streamlined quality control by providing reliable, rapid checks that help prevent mismatches, reduce rework, and accelerate production workflows. Its durable build and practical design offer confidence to buyers and users alike, ensuring consistent results across jobs and teams.