OSG Stub Drill HSS-E - For Stainless Steels, Steels and Ali - EX-SUS-GDS-3.46mm Carbide 99mm is an intermediate precision

99mm is an intermediate precision reamer designed to fine-tune drilled holes to a precise 0

Built for engineers and machinists who need clean edges and reliable performance

52 mm is an intermediate precision tool designed to finish bore holes with consistent ISO H5 tolerance

you can expect predictable lead times of 24–48 hours for despatch

these inserts deliver consistent results across a broad range of applications

OSG Stub Drill HSS-E - For Stainless Steels, Steels and Ali - EX-SUS-GDS-3.46mm Carbide 99mm is an intermediate precisionThe OSG Stub Drill HSS E is a high performance drill bit built for challenging metals. Forged from High Speed Steel E (HSS E), it delivers exceptional durability and precision for professional shops, job sites, and hobbyists alike. Designed to drill stainless steels, general steels, and aluminum, it creates clean, accurate holes with every pass. The compact stub geometry provides rigidity for reliable starts and straight holes in a variety of