JBO Thread Ring Gauge (GO) - Metric Fine - Right Hand - 4h - M8 x 1 S&E this chuck integrates smoothly with

this chuck integrates smoothly with existing machines and ensures repeatable

minimizes setup surprises

Material: HSS (M2) — high-speed steel optimized for precision reaming

delivering steady rigidity and predictable reaming performance

It combines a straight shank with a left-hand spiral flute and right-hand cutting to deliver precise

JBO Thread Ring Gauge (GO) - Metric Fine - Right Hand - 4h - M8 x 1 S&E this chuck integrates smoothly withThe JBO Thread Ring Gauge (GO) Metric Fine, Right Hand, 4h, M8 x 1 is a precision tool designed to verify external thread diameters quickly and reliably. Ideal for engineers, inspectors, and workshop teams, it confirms that M8 x 1 righthand threads meet the exact metric fine standard, helping you speed up quality checks and reduce rework. Precision GO spec (M8 x 1, Right Hand, 4h): Enables fast pass checks for external threads with consistent results