OSG Jobber Drill HSS-E - For Stainless Steels, Steels and Ali - EX-SUS-GDR-12mm Die & Mould Collet Chucks this HSS (M2) reamer finishes

this HSS (M2) reamer finishes drilled bores to ISO H5 tolerances from a trusted DIN 212-B standard

reducing tool deflection and enhancing surface finish on every pass

while the left-hand spiral flute design aids chip clearance in longer bores

MT7 shank with Sub-Micron carbide: High-hardness

Its NoGo design provides dependable wear resistance for repeated use in busy environments

OSG Jobber Drill HSS-E - For Stainless Steels, Steels and Ali - EX-SUS-GDR-12mm Die & Mould Collet Chucks this HSS (M2) reamer finishesThe 12 mm OSG Jobber Drill HSS E is a precision drill bit designed for metalworking tasks that demand reliability and clean, accurate holes. Made from High Speed Steel E (HSS E), it powers through stainless steel, general steels, and aluminum with consistent results. Its a dependable choice for professionals, technicians, and serious hobbyists who need a single bit that performs across common materials. With a jobber length design and optimized