JBO Thread Ring Gauge (NoGo) - Metric Fine - Right Hand - 6h - M18 x 1 Face Mill Arbors - Through Coolant It enables smoother cuts

It enables smoother cuts

round hole with tight H4 tolerance

it features a left-hand spiral flute with right-hand cutting and through coolant to improve chip evacuation and cooling

reducing vibration and enabling smoother pockets and radii while promoting faster chip removal for cleaner cuts

Leak‑resistant slot geometry: Longitudinal slots do not overlap at the centre to prevent coolant loss

JBO Thread Ring Gauge (NoGo) - Metric Fine - Right Hand - 6h - M18 x 1 Face Mill Arbors - Through Coolant It enables smoother cutsThe JBO Thread Ring Gauge (NoGo) Metric Fine, Right Hand, 6h, M18 x 1 is a precision inspection tool designed to verify the maximum permissible size of external threads on fasteners and precision components. Its ideal for quality control teams, machinists, and engineers who need quick, reliable checks to confirm parts meet exacting specifications. Built to endure busy workshop environments, this hardened steel ring gauge delivers consistent results