IS 7822 : 2005 /ISO 3291 : 1995 Twist Drills - Extra-Long Morse Taper Shank - Specification

National Foreword

This Indian Standard which is identical with ISO 3291 : 1995 `Extra-longMorse taper shank twist drills' issued by the International Organizationfor Standardization (ISO) was adopted by the Bureau of Indian Standards onthe recommendations of the Drills, Reamers and Threading Tools SectionalCommittee and approval of the Medical Instruments, General and ProductionEngineering Division Council.