Bore: 8 mm for compatibility with standard arbors
ISO 50 Compatibility with Durable Construction: Designed to fit BT (MAS) tool holders with ISO 50 interfaces and built to endure high-speed machining
Whether you’re producing precise pockets
with predictable lead times
The left-hand spiral flute aids chip evacuation in a variety of materials
JBO Thread Ring Gauge (GO) - Metric Fine - Right Hand - 6h - M9 x 0.5 Hydraulic Expansion Chucks Bore: 8 mm for compatibilityThe 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,