【英文标准名称】:Unifiedscrewthreads-Part3:Screwthreadswithdiametersbelow1/4in-Requirements
【原文标准名称】:统一标准螺纹.第3部分:直径小于1/4in的螺纹.要求
【标准号】:BS1580-3-2007
【标准状态】:现行
【国别】:英国
【发布日期】:2007-12-31
【实施或试行日期】:2007-12-31
【发布单位】:英国标准学会(GB-BSI)
【起草单位】:BSI
【标准类型】:()
【标准水平】:()
【中文主题词】:飞行器部件;螺栓;直径;直径测量;尺寸公差;尺寸;金属涂层;螺母;螺纹形状;螺纹量规;螺纹;统一螺纹
【英文主题词】:Aircraftcomponents;Bolts;Diameter;Diametermeasurement;Dimensionaltolerances;Dimensions;Metalcoatings;Nuts;Threadforms;Threadgauges;Threads;Unifiedscrewthreads
【摘要】:ThispartofBS1580specifieslimitsofsizes,andtolerances,forsingle-start,clearance-fitunifiedscrewthreads,ininchunitswithdiameters1/4belowin.ThispartofBS1580specifiesunifiedscrewthreadsfromNumber0(0.060indiameter)toNumber12(0.216indiameter),knownasthe“numberedsizes”inthefollowingstandardseries:?acoarsethread(UNC)series;?afinethread(UNF)series;?forNumber12threads,anextrafine(UNEF)32threadsperinchdiameter/pitchcombination.NOTEUnifiedscrewthreadsbelow1/4indiameterforattachmentpurposesandforgeneraluseintheaircraftindustryarespecifiedinAnnexA.
【中国标准分类号】:J04
【国际标准分类号】:21_040_20
【页数】:24P.;A4
【正文语种】:英语