OSG Stub Drill HSS-E - For Stainless Steels, Steels and Ali - EX-SUS-GDS-4.21mm M&D repeatable validation of hole size

repeatable validation of hole size

Using the gauge in your QC workflow helps you reduce rework

No-Go End Verification: The scrap end should not thread more than two turns into the cut thread

long‑lasting performance in demanding applications

The combination of extended reach and efficient chip evacuation helps maintain smooth drilling progress

OSG Stub Drill HSS-E - For Stainless Steels, Steels and Ali - EX-SUS-GDS-4.21mm M&D repeatable validation of hole sizeOSG Stub Drill HSS E 4. 21 mm is a high performance drill bit designed for demanding materials. Crafted from High Speed Steel E (HSS E) and engineered with a precise stub geometry, it delivers clean, accurate holes in stainless steels, versatile steels, and lightweight aluminum. This combination makes it a reliable choice for professionals and enthusiasts who demand consistent results. Ideal for fabrication, maintenance, and hobby machining, its