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【英文标准名称】:MachineScrewsandMachineScrewNuts[Superseded:SAEJ478A]
【原文标准名称】:机用螺钉和机用螺母[代替:SAEJ478A]
【标准号】:ASMEB18.6.3-2003
【标准状态】:作废
【国别】:美国
【发布日期】:2005-01-31
【实施或试行日期】:
【发布单位】:美国机械工程师协会(US-ASME)
【起草单位】:ASME
【标准类型】:()
【标准水平】:()
【中文主题词】:沉头螺钉;名称与符号;尺寸规格;六角头紧固件;锁定装置及定位装置;螺母;平头紧固件;螺钉;球形头紧固件;公差(测量)
【英文主题词】:Countersunkheadscrews;Designations;Dimensions;Hexagonal-headfasteners;Lockingandlocatingdevices;Nuts;Pan-headfasteners;Screws(bolts);Spherical-headfasteners;Tolerances(measurement)
【摘要】:ThisStandardisintendedtocoverthecompletegeneralanddimensionaldataforthevarioustypesofslottedandrecessedheadmachinescrewsandmachinescrewnutsrecognizedasAmericanNationalStandard.Alsoincludedareappendicesthatprovidespecificationsandinstructionsfortheprotrusiongagingofflatcountersunkheadscrews;across-cornersgagingofhexheadscrews;penetrationgagingandwobblegagingofrecessedheadscrews;wrenchopeningsforhexandsquareproducts;threaddimensionsfortheNo.0000,No.000,andNo.00sizes;andformulasonwhichdimensionaldataarebased.Itshallbeunderstood,however,thatwherequestionsariseconcerningacceptanceofproduct,thedimensionsinthetablesshallgovernoverrecalculationbyformula.TheinclusionofdimensionaldatainthisStandardisnotintendedtoimplythatalloftheproductsdescribedarestockproductionsizes.Consumersshouldconsultwithsuppliersconcerningtheavailabilityofproducts.
【中国标准分类号】:J13
【国际标准分类号】:21_060_10;21_060_20
【页数】:124P.;A4
【正文语种】:英语