JBO Thread Ring Gauge (GO) - Metric Fine - Right Hand - 6h - M18 x 0.75 Face Mill Arbors Left-Hand Spiral Flute with Right-Hand

Left-Hand Spiral Flute with Right-Hand Cutting: Optimizes chip evacuation and delivers stable hole sizing through predictable cutting action

pass/fail verification of internal M20 x 2 threads to the 6H class

Compatibility: BT40 spindle systems with Form AD/B interface for standardized tool mounting and dependable performance

74 mm for finishing holes to ISO H5 tolerance

JBO Thread Ring Gauge (GO) - Metric Fine - Right Hand - 6h - M18 x 0.75 Face Mill Arbors Left-Hand Spiral Flute with Right-HandThe JBO Thread Ring Gauge (GO) Metric Fine Right Hand 6h M18 x 0. 75 is a precision inspection tool designed to verify external thread diameters on metric fine threaded components. It serves engineers, inspectors, machinists, and quality teams across manufacturing and maintenance environments, helping ensure every threaded part meets exact GO specifications and fit requirements with speed and confidence. Crafted from hardened steel, this GO thread