JBO Thread Plug Gauge (GO) - Metric Fine - Left Hand - 6H - M58 x 2 Power Milling Chucks enabling reliable performance across a

enabling reliable performance across a broad range of machines and chucks

while the long-length design provides added reach for deep pockets and complex geometries

000 RPM: Engineered for demanding milling tasks

durable carbide with a wear‑resistant coating

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

JBO Thread Plug Gauge (GO) - Metric Fine - Left Hand - 6H - M58 x 2 Power Milling Chucks enabling reliable performance across aThe 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