especially effective for narrow ribs and tight pockets
producing precise hole starts and straight
Edge geometry: Long-radius edge for smooth contouring
and progress steadily without forcing the tap
and predictable outcomes—empowering you to tackle demanding rib-work with confidence
OSG Jobber Drill HSS-E - For Stainless Steels, Steels and Ali - EX-SUS-GDR-4.71mm Tapping Chucks especially effective for narrow ribsThe OSG Jobber Drill HSS E is a high performance drill bit designed for serious metalworking. Made from High Speed Steel E (HSS E), this 4. 71 mm diameter jobber drill delivers reliable cutting power for stainless steels, standard steels, and aluminum. Its robust construction and optimized geometry help you achieve clean, accurate holes from the first cut, making it a versatile choice for engineers, machinists, hobbyists, and professionals alike.