JBO Thread Ring Gauge (GO) - Metric Fine - Right Hand - 6g - M90 x 3 Boring Bar Blank 4-Flute Chip-Evacuation Design: The 4-flute

4-Flute Chip-Evacuation Design: The 4-flute configuration provides excellent chip clearance

dependable seating in your chuck or collet

repeatable hole sizing for finish-critical applications

with dispatch available within 24–48 hours after order confirmation

This end mill helps you streamline your workflow: you gain reliable performance across varying taper angles

JBO Thread Ring Gauge (GO) - Metric Fine - Right Hand - 6g - M90 x 3 Boring Bar Blank 4-Flute Chip-Evacuation Design: The 4-fluteThe JBO Thread Ring Gauge (GO) Metric Fine Right Hand 6g M90 x 3 is a precision GO gauge designed to quickly verify external thread diameters on metric fine threads. Ideal for machinists, inspectors, and quality teams, it helps confirm parts meet the M90 x 3 specification and 6g tolerance with a simple go no go check. Made from hardened steel, it is built to withstand daily use in busy workshops. Its right hand, fine pitch geometry ensures reliable,