The JBO Thread Ring Gauge (GO) is a precision inspection tool for verifying external metric threads. Sized for M28 x 1 fine threads with right-hand orientation and 6H tolerance, it enables fast go/no-go checks on threaded components, helping ensure parts meet exact specifications in manufacturing, assembly, and procurement workflows.

Manufactured from hardened steel for exceptional durability, this gauge withstands daily use in busy shop floors and QA benches. Its straightforward design makes it easy for engineers, machinists, inspectors, buyers, and hobbyists to quickly confirm that a part’s threads will mate correctly with the intended fasteners and components.

• Exact M28 x 1 Right-Hand Metric Fine Go Gauge: Quickly verify external thread diameter and pitch to 6H tolerance, enabling reliable pass/fail decisions and reducing guesswork in mating, threading, and assembly.
• Hardened steel construction for long life: Resists wear and maintains calibration through repeated use, lower replacement costs, and consistent performance in demanding environments.
• Fast, user-friendly go/no-go checks: Clear, simple identification of conforming threads, speeding up QC workflows and making thread inspection accessible to operators with minimal training.

With the JBO GO gauge, you streamline quality control, cut inspection times, and improve overall threading accuracy across batches. Its durable construction and precise dimensions help reduce rework, avoid misfits, and support reliable assembly outcomes, giving you confidence from first part to final product.