JBO Thread Ring Gauge (GO) - Metric Fine - Right Hand - 4h - M50 x 1 Power Milling Chucks repeatable results in shallow bores

repeatable results in shallow bores and through‑holes

while the carbide stub provides rigidity and long tool life in demanding through-holes

The 4‑flute design adds rigidity for dependable

precise slots with reduced burr and better surface finish

helping you complete jobs with fewer adjustments and less downtime

JBO Thread Ring Gauge (GO) - Metric Fine - Right Hand - 4h - M50 x 1 Power Milling Chucks repeatable results in shallow boresIntroducing the JBO Thread Ring Gauge (GO) Metric Fine, Right Hand, 4h for M50 x 1 threads. This precision ring gauge is designed for engineers, machinists, quality inspectors, and workshop technicians who need fast, reliable external thread checks. Use it to verify that components conform to exact metric standards and ensure proper mating in assemblies, reducing the risk of undersized or oversized threads. Precise GO verification for metric fine