OSG Stub Drill HSS-E - For Stainless Steels, Steels and Ali - EX-SUS-GDS-12mm Hydraulic Expansion Chucks combines a left-hand spiral flute

combines a left-hand spiral flute with right-hand cutting and a straight shank for reliable mounting in standard toolholders

repeatable thread fits across production runs

Form: AD/B form to align with conventional BT40 toolholding configurations

The Carmex Tiny Tool helps you streamline small-threading work

ensuring correct fit and reliable performance in assemblies

OSG Stub Drill HSS-E - For Stainless Steels, Steels and Ali - EX-SUS-GDS-12mm Hydraulic Expansion Chucks combines a left-hand spiral fluteThe OSG Stub Drill HSS E is a compact, highperformance drill bit designed for professionals and serious hobbyists. With a 12 mm diameter, its optimized for working with stainless steels, versatile steels, and lightweight aluminum, delivering dependable cutting power when accuracy matters. Crafted from HighSpeed SteelE (HSSE), this stub drill features a carefully engineered cutting edge geometry that creates clean, accurate holes from the first pass.