OSG Micro Carbide Drill - Micro Spiral - TiAlN Coated - 1.59mm ISO Insert - RC Style The JBO Thread Ring Gauge

The JBO Thread Ring Gauge (NoGo) for Metric Fine threads is a dedicated inspection tool designed to verify external thread diameters with reliable precision

and keeps production moving smoothly—from bench checks to on-site maintenance—so you can deliver consistent quality with less effort

Using this reamer helps you achieve accurate bore sizes with durable performance

natural curves and intricate features with minimal finishing work

OSG Micro Carbide Drill - Micro Spiral - TiAlN Coated - 1.59mm ISO Insert - RC Style The JBO Thread Ring GaugeOSG Micro Carbide Drill Micro Spiral TiAlN Coated (1. 59 mm) is a precision micro drilling tool designed for tiny diameter holes in electronics, medical devices, and other fine components. Crafted from solid carbide with a micro spiral flute, it delivers accurate hole sizes, smooth drilling, and dependable performance even in hard or abrasive materials. Its TiAlN coating enhances wear and heat resistance, helping the drill maintain sharpness and speed