OSG Jobber Drill HSS-E - For Stainless Steels, Steels and Ali - EX-SUS-GDR-5.56mm ER Collet Chucks even under demanding speeds

even under demanding speeds

Sized at 5/16" diameter with 18 TPI

Using this reamer delivers accurate bore sizes with a smooth

delivering consistent measurements across batches

this GO ring gauge delivers durable performance in demanding workdays

OSG Jobber Drill HSS-E - For Stainless Steels, Steels and Ali - EX-SUS-GDR-5.56mm ER Collet Chucks even under demanding speedsThe OSG Jobber Drill HSS E is a purpose built drill bit designed for professionals and DIYers who routinely work with stainless steel, versatile steels, and lightweight aluminum. Made with High Speed Steel E (HSS E), it combines wear resistance with dependable cutting performance for demanding tasks. Its cutting edge geometry guarantees clean, precise holes with smooth finishes and minimal burrs, making it an indispensable tool for busy workshops.