001 tolerance ensures every thread is true to size
letting you tailor the geometry to the feature you’re machining without swapping tools
general purpose finish—easy to inspect
2-Flute Neck Type for Reach and Rigidity: The neck design provides extended reach to access tight pockets and complex features
repeatable results across a variety of projects
OSG Stub Drill HSS-E - For Stainless Steels, Steels and Ali - EX-SUS-GDS-1.21mm ER Mini Collet Chucks 001 tolerance ensures every threadThe OSG Stub Drill HSS E is a compact, high performance drill bit from OSG, designed for precise holemaking in stainless steels, steels, and aluminum. With a 1. 21 mm diameter, it excels at small pilot holes, intricate work, and tight spaces where accuracy matters. Manufactured from High Speed Steel E (HSSE), this stub drill combines edge retention with robust toughness. Its short flute length stabilizes starts and minimizes wandering, delivering