JBO Thread Plug Gauge (GO) - Metric Fine - Left Hand - 6H - M58 x 2 Power Milling Chucks The reamer adheres to ISO

The reamer adheres to ISO H5 tolerance and follows DIN 212-B style precision

durable carbide with a wear‑resistant coating

and Toolex manufacturing ensures a dependable tool for precision boring tasks

carbide stub reamer engineered for through‑coolant hole finishing at a 10

enabling reliable performance across a broad range of machines and chucks

JBO Thread Plug Gauge (GO) - Metric Fine - Left Hand - 6H - M58 x 2 Power Milling Chucks The reamer adheres to ISOThe JBO Thread Plug Gauge (GO) Metric Fine, Left Hand, 6H, M58 x 2 is a precision inspection tool designed to quickly verify threaded holes meet exact specifications. Its ideal for machinists, quality teams, engineers, and workshop staff who need reliable go no go checks to confirm hole threads are within spec. Crafted from hardened steel and finished with a textured, knurled body, this GO gauge delivers durable, repeatable performance in busy