文档介绍：DEUTSCHENORMJune2004Threadrun-outsandthreadundercutsforISOmetricthreadsasinDIN13-äufeundGewindefreistiche–Teil1:FürMetrischesISO-GewindenachDIN13-1{76-(ISO),(mittee).ItisbasedonInternationalStandardsISO3508:1976andISO4755:,ypeofthreadundercutwithg2max=3P,thisstandardspecifiestwotypes,=3,5P(normaldesign)andtypeBwithg2max=2,5P(shortdesign).TypeBthreadundercutsareintendedforuseonacase-by-casebasis,whererequiredfortechnicalreasons;-:1924-11;DINLON369-1=DIN30140-1:1936-12;DIN76-1:1924-09,1943-04,1953-11,1965-09,1967-06,1975-09,1983--outsandthreadundercutsforbolts,ponentswithexternalorinternalISOmetric(coarseorfinepitch)threadasinDIN13-,bydatedorundatedreference,