JBO Thread Plug Gauge (GO) - Metric Fine - Right Hand - 6H - M52 x 1 FLH giving you a single collet

giving you a single collet that covers multiple cutting tasks

It’s built for standard tool holders thanks to its straight shank design

HSS-E construction for durability: The cobalt-enhanced steel provides longer tool life and better heat resistance

while the order‑based production guarantees the exact geometry and diameter for your 18

helping you confirm whether a threaded hole is within tolerance and ready for assembly

JBO Thread Plug Gauge (GO) - Metric Fine - Right Hand - 6H - M52 x 1 FLH giving you a single colletThe JBO Thread Plug Gauge (GO) is a precision tool designed to verify metric internal threads. Specifically configured for M52 x 1 with a right hand orientation, this GO gauge helps engineers, machinists, inspectors, and maintenance technicians quickly confirm that threaded holes accept a mating thread and meet standard thread specifications. Its main advantage is fast, reliable pass fail checks that streamline quality control and assembly workflows.