OSG Micro Carbide Drill - Micro Spiral - TiAlN Coated - 1.58mm Die & Mould Collet Chucks Its precise 95-degree geometry supports

Its precise 95-degree geometry supports efficient material removal on a variety of workpieces

It’s an essential test aid for machinists

3/8x8 is a precision internal-thread gauge designed to verify threaded holes against UNC

It’s designed to meet ISO H4 tolerances

With a 4xD depth capability and a 33 mm diameter

OSG Micro Carbide Drill - Micro Spiral - TiAlN Coated - 1.58mm Die & Mould Collet Chucks Its precise 95-degree geometry supportsOSG Micro Carbide Drill with a micro spiral flute is engineered for micro drilling tasks where precision matters. Its ideal for electronics, medical devices, and other fine detail work, delivering accurate holes with reliable performance. The 1. 58 mm diameter and TiAlN coating combine wear resistance and heat resistance to sustain sharpness at higher speeds, even in hard or abrasive materials. Micro spiral flute design for clean chip evacuation: The