JBO Thread Ring Gauge (GO) - Metric Fine - Right Hand - 4h - M39 x 2 FLH while the notch-free neck reduces

while the notch-free neck reduces the risk of breakage in demanding mold and die work

delivering long tool life and dependable performance under tough milling conditions

Cutting type: Centre cutting for plunging

ER32 Compatibility: Designed to fit standard ER32 collet chucks for secure grip and dependable tool retention throughout tapping operations

and a reliable toolpath when working with challenging materials

JBO Thread Ring Gauge (GO) - Metric Fine - Right Hand - 4h - M39 x 2 FLH while the notch-free neck reducesThe JBO Thread Ring Gauge (GO) Metric Fine Right Hand 4h M39 x 2 is a precision inspection tool designed to verify external threads on components with metric fine threads. Its GO gauge provides a quick pass fail check to ensure parts thread cleanly into mating fittings, making it ideal for manufacturing, maintenance, and quality control. Accurate GO Check for Metric Fine Threads: Quickly verify external thread diameters against the M39 x 2 GO limit,