JBO Thread Ring Gauge (GO) - Metric Fine - Left Hand - 6g - M25 x 2 ER Mini Collet Chucks Its 4‑flute configuration and tapered

Its 4‑flute configuration and tapered neck reduce chatter

Material: Carbide construction engineered for long tool life and consistent results

Ball nose geometry for smooth curved surfaces: The rounded tip creates gentle radii on ribs

57mm is an intermediate precision carbide reamer designed to finish holes to a precise size with a smooth surface

Toolex Hand Reamer – a precision

JBO Thread Ring Gauge (GO) - Metric Fine - Left Hand - 6g - M25 x 2 ER Mini Collet Chucks Its 4‑flute configuration and taperedThe JBO Thread Ring Gauge (GO) Metric Fine, Left Hand, 6g, M25 x 2 is a precision tool designed to quickly and reliably verify external thread diameters against metric standards. Its ideal for inspection in manufacturing, maintenance, and quality control environments where accurate thread sizing matters for fit and performance. Crafted from hardened steel with a textured knurled exterior for secure handling, this GO gauge resists wear in busy