Through‑Coolant carbide construction: Designed to keep cutting edges cooler and evacuate chips efficiently
Three-flute ball nose geometry: Provides balanced cutting efficiency with the ability to produce smooth radii on mold and die contours
Crafted from uncoated high-speed steel and ground to ISO 529 dimensions
resisting wear and preserving measurement integrity for long-lasting
Right-hand orientation designed for external threads: Specifically optimized for right-hand external threads
OSG Stub Drill HSS-E - For Stainless Steels, Steels and Ali - EX-SUS-GDS-3.07mm End Mill Holders Through‑Coolant carbide construction: Designed toThe OSG Stub Drill HSS E is a compact, high performance drill designed for professionals and DIYers who work with stainless steel, general steels, and aluminum. With a precise 3. 07 mm diameter, this stub drill is optimized for clean, accurate holes and consistent results across a range of materials. Made from High Speed Steel E (HSS E), it resists heat and wear to maintain sharp cutting edges. Its short, rigid stub form minimizes deflection, helping