OSG Jobber Drill HSS-E - For Stainless Steels, Steels and Ali - EX-SUS-GDR-3.45mm Power Milling Chucks 99mm is a precision finishing

99mm is a precision finishing tool designed to bring drilled holes to ISO H4 tolerance with reliable

Ball nose geometry for precise contouring: The rounded tip enables accurate 3D profiling of graphite surfaces

The combination of a taper shank for easy integration

enabling consistent results with minimal setup even in tight or cluttered workspaces

repeatable radii and smooth surfaces

OSG Jobber Drill HSS-E - For Stainless Steels, Steels and Ali - EX-SUS-GDR-3.45mm Power Milling Chucks 99mm is a precision finishingThe OSG Jobber Drill HSS E is a precision 3. 45 mm diameter drill bit crafted with High Speed Steel E (HSS E) for standout performance and durability. Designed for stainless steels, steels, and aluminum, its a versatile tool built to handle a wide range of metalworking tasks. Whether youre a professional tradesperson or a dedicated hobbyist, this drill helps you achieve clean, accurate holes with confidence. Its optimized geometry delivers smooth