JBO Thread Ring Gauge (GO) - Metric Fine - Left Hand - 6g - M58 x 1.5 FLH The M2 high-speed steel construction

The M2 high-speed steel construction provides wear resistance and edge retention

DIN 8093 / ISO H4 Tolerance: Standards‑compliant bore sizing for reliable interchangeability and consistent results across parts

It provides a secure interface between spindle and tool to minimize runout and maximize cutting performance

helping reduce part costs over time

005 mm to ensure finished holes meet exact size requirements

JBO Thread Ring Gauge (GO) - Metric Fine - Left Hand - 6g - M58 x 1.5 FLH The M2 high-speed steel constructionThe JBO Thread Ring Gauge (GO) Metric Fine is a precision inspection tool designed to verify external metric threads with accuracy and reliability, making it ideal for engineers, machinists, and quality control teams who need fast go no go checks on threaded components. Specifically configured for left hand M58 x 1. 5 threads with a 6g tolerance, this gauge pairs precise dimensions with a durable, hardened steel construction that resists wear in