OSG Jobber Drill HSS-E - For Stainless Steels, Steels and Ali - EX-SUS-GDR-4.26mm ER Mini Collet Chucks and achieve consistent thread forms

and achieve consistent thread forms across materials

Ball Nose geometry for smooth contouring: Delivers gentle radii on complex mold features

while the HSS‑E alloy extends tool life in demanding materials

Thread Size: Metric fine thread

accurate results with minimal finishing passes

OSG Jobber Drill HSS-E - For Stainless Steels, Steels and Ali - EX-SUS-GDR-4.26mm ER Mini Collet Chucks and achieve consistent thread formsThe OSG Jobber Drill HSS E 4. 26 mm is a high performance drill bit built to cut through stainless steels, general steels, and aluminum with precision and control. Made from High Speed Steel E (HSS E), it offers excellent wear resistance and long tool life, even under demanding drilling conditions. The gold toned flutes against a silver shank visible in the image reflect a robust, precision ground profile designed for daily use in workshops and on