OSG Stub Drill HSS-E - For Stainless Steels, Steels and Ali - EX-SUS-GDS-18.5mm Hydraulic Expansion Chucks 70 mm overall length tool

70 mm overall length tool features a 1 mm corner radius (R1) and a four-flute geometry that supports clean radii

Precise GO check for metric fine M40 x 1 left-hand threads: Calibrated to 6g tolerance to deliver fast

and greater overall productivity

Four-flute square-edge design for stable

reducing clogging and helping you achieve a cleaner

OSG Stub Drill HSS-E - For Stainless Steels, Steels and Ali - EX-SUS-GDS-18.5mm Hydraulic Expansion Chucks 70 mm overall length toolThe OSG Stub Drill HSS E is a high performance drill bit built for metalworking professionals and serious hobbyists. Made with High Speed Steel E (HSS E), it delivers reliable cutting power through tough stainless steels, versatile steels, and lightweight aluminum. Its compact stub form provides controlled, stable drilling in confined spaces while maintaining strength under load. With its optimized cutting edge geometry, this drill bit produces clean,