JBO Thread Ring Gauge (GO) - Metric Fine - Right Hand - 6g - M72 x 4 ER Mini Collet Chucks 89 mm diameter: Provides a

89 mm diameter: Provides a precise

stable passes in deep pockets and angled surfaces

it delivers consistent radii and smooth finishes across intricate cavities

Miniature cutting head: Proportioned for fine detailing and precision work on tight radii and edges

making it suitable for production environments where repeatable results matter

JBO Thread Ring Gauge (GO) - Metric Fine - Right Hand - 6g - M72 x 4 ER Mini Collet Chucks 89 mm diameter: Provides aThe JBO Thread Ring Gauge (GO) Metric Fine Right Hand 6g M72 x 4 is a precision tool for inspecting external threads. It helps engineers, machinists, and quality teams quickly verify that threaded components meet the required minimum diameter and the M72 x 4 standard. Made from hardened steel for durability, this GO gauge is built to withstand busy shop floors and everyday wear, while its straightforward design makes it easy to identify components