BS 1580 Pts.1 & 2-1962 统一螺纹规范.第1和第2部分:直径等于与大于1/4英寸

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【英文标准名称】:SpecificationforUnifiedscrewthreads.Diametersinandlarger
【原文标准名称】:统一螺纹规范.第1和第2部分:直径等于与大于1/4英寸
【标准号】:BS1580Pts.1&2-1962
【标准状态】:现行
【国别】:英国
【发布日期】:1962-09-15
【实施或试行日期】:1962-09-15
【发布单位】:英国标准学会(BSI)
【起草单位】:
【标准类型】:()
【标准水平】:()
【中文主题词】:统一螺纹;尺寸;螺距;尺寸公差;飞行器部件;配合;直径;螺纹形状;金属覆层;螺栓;螺纹;螺母
【英文主题词】:nuts;diameter;fits;threadpitch;aircraftcomponents;threadforms;unifiedscrewthreads;metalcoatings;dimensionaltolerances;dimensions;threads;bolts
【摘要】:ThisBritishStandardspecifiesparticularsforsingle-start,clearance-fitthreadsininchunitshavingtheISObesicprofilegiveninISOrecommendationR.68,andPart1comtainsthediameter/pitchcombinationsfor1/4inchdiameterandabovegivenin(draft)ISOrecommendation362.Thispartofthestandardisdevotedtogeneralparticularsrelatingtothesescrewthreads,andinparticularitincludesnominalsizesandlimitsofsizeforstandardthreadsfothefollowingseries:Acoarsethreadseries(UNC)from1/4to4inchesdiameter.diameter;Afinethreadseries(UNF)from1/4to3/2inchesdiameter.Anextrafinethreadseries(UNEF)from1/4into27/16inchesdiameter.A4-threadsseries(4UN)from21/8to6inchesdiameter.A6-threadsseries(6UN)from23/16into6inchesdiameter.A8-threadsseries(8UN)from17/16into6inchesdiameter.A12-threadsseries(12UN)from5/8into6inchesdiameter.A16-threadsseries(16UN)from7/16into6inchesdiameter.A20-threadsseries(20UN)from5/16into3inchesdiameter.A28-threadsseries(28UN)from5/16into3/2inchesdiameter.A32-threadsseries(32UN)from7/16into1inchesdiameter.
【中国标准分类号】:J04
【国际标准分类号】:21_040_20
【页数】:108P;A4
【正文语种】:英语