The JBO Thread Ring Gauge (NoGo) - Metric Fine, Right Hand, 4h, M27 x 1 is a precision inspection tool designed to quickly verify external thread diameters. Intended for engineers, machinists, inspectors, and workshop staff, it helps confirm components meet the exact M27 x 1 right-hand thread standard and its 4h tolerance class during production or maintenance.

Manufactured from hardened steel with a careful finish, this NoGo gauge stands up to daily wear and heavy use. Its durable construction delivers stable, repeatable measurements, so you can rely on consistent results across lots and over time. The design also makes it straightforward to spot parts that are out of tolerance during routine quality checks.

• NoGo verification for metric fine threads: Quickly confirm that an external thread diameter does not exceed the maximum size, enabling rapid rejection of non-conforming parts during inspection and QA.
• Durable hardened steel construction: Built to withstand busy shop environments and resist wear, helping maintain accuracy and extend service life.
• Right-hand M27 x 1, 4h specification: Precisely matched to common metric threads, ensuring reliable, repeatable checks that integrate seamlessly into your inspection workflow.

By using this gauge, you streamline quality control, reduce inspection time, and improve overall threading accuracy in assemblies. Its robust build and precise dimensions give you confidence that parts will fit and function as intended, saving time, reducing rework, and supporting consistent results across projects.