JBO Thread Ring Gauge (NoGo) - Metric Coarse - Right Hand - 4h - M30 x 3.5 Power Milling Chucks The combination of left‑hand spiral

The combination of left‑hand spiral flute with right‑hand cutting aids in efficient chip evacuation and predictable cutting action

secure tool changes with minimal disturbance to alignment

and resilient cutting performance to help you achieve smoother finishes and dependable results when machining stainless steels and exotic alloys

and DIN 8093-compliant tolerance provide dependable performance

With DIN69871 compatibility and a dedicated 100 mm gauge length

JBO Thread Ring Gauge (NoGo) - Metric Coarse - Right Hand - 4h - M30 x 3.5 Power Milling Chucks The combination of left‑hand spiralThe JBO Thread Ring Gauge (NoGo) Metric Coarse is a precision inspection tool designed for quality control teams, machinists, and workshop staff handling metric coarse threads. Sized for M30 x 3. 5, right hand threads with a 4H tolerance class, this NoGo gauge provides a clear, quick reference to confirm external threads meet the required limits. Forged from hardened steel, it delivers lasting durability and wear resistance in busy environments while