JBO Thread Plug Gauge (NoGo) - Metric Fine - Left Hand - 6H - M45 x 1.5 Face Mill Arbors - Through Coolant and extended tool life with

and extended tool life with a 45° helix that enhances chip evacuation

The HSS-E construction stands up to heat and wear

4-Flute Design with Variable Helix: Enables aggressive material removal while maintaining stability and improving chip flow for cooler

Used for precise

smooth bore with tight control over size thanks to the ISO H5 tolerance and DIN 206-B geometry

JBO Thread Plug Gauge (NoGo) - Metric Fine - Left Hand - 6H - M45 x 1.5 Face Mill Arbors - Through Coolant and extended tool life withThe JBO Thread Plug Gauge (NoGo) Metric Fine is a precision measuring tool designed to verify metric fine threaded holes. It helps machinists, engineers, inspectors, and technicians quickly determine whether internal threads meet exact specifications. Configured for left hand threads with M45 x 1. 5 size and a 6H tolerance, this NoGo gauge provides fast, reliable pass fail checks during quality control and assembly. Manufactured from hardened steel,