JBO Thread Ring Gauge (GO) - Metric Fine - Right Hand - 6h - M9 x 0.5 Hydraulic Expansion Chucks 2 mm diameter and a

2 mm diameter and a long-neck design

ISO 50 Compatibility with Durable Construction: Designed to fit BT (MAS) tool holders with ISO 50 interfaces and built to endure high-speed machining

Bore: 8 mm for compatibility with standard arbors

Sized for standard milling rigs

Whether you’re producing precise pockets

JBO Thread Ring Gauge (GO) - Metric Fine - Right Hand - 6h - M9 x 0.5 Hydraulic Expansion Chucks 2 mm diameter and aThe JBO Thread Ring Gauge (GO) Metric Fine, Right Hand, 6h M9 x 0. 5 is a precision tool for confirming external thread diameters. Built for quick Go No Go checks, it helps inspectors and machinists verify parts meet exact thread standards in production, assembly, and maintenance tasks. Crafted from hardened steel, the gauge delivers durable, wear resistant performance in busy workshops. Its simple, robust design makes it easy to use across teams,