【英文标准名称】:SpecificationforISOmetricblackcupandcountersunkheadboltsandscrewswithhexagonnuts
【原文标准名称】:ISO公制黑色罩头和沉头螺拴,螺钉和六角螺母规范
【标准号】:BS4933-2010
【标准状态】:现行
【国别】:英国
【发布日期】:2010-12-31
【实施或试行日期】:2010-12-31
【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】:螺栓;埋头紧固件;半圆头紧固件;尺寸规格;紧固件;ISO米制螺纹;长度;作标记;螺母;定货;螺钉(螺栓);材料强度;螺纹紧固件;螺纹
【英文主题词】:Bolts;Countersunkfasteners;Cup-headfasteners;Dimensions;Fasteners;ISOmetricthreads;Length;Marking;Nuts;Ordering;Screws(bolts);Strengthofmaterials;Threadedfasteners;Threads
【摘要】:ThisBritishStandardspecifiesrequirementsandprovidesgeneraldimensionsandtolerancesforthefollowingtypesofcupheadandcountersunkheadboltsandscrews:?cupheadboltsandscrews;?cupheadboltswithnibs;?cupheadsquareneckbolts;?90°countersunkheadboltsandscrews;?90°countersunkheadboltswithnibs;?90°countersunkheadsquareneckbolts;?120°countersunkheadsquareneckbolts.MechanicalpropertiesforsteelboltsandscrewsarespecifiedinBSENISO898?1.ThisBritishStandardalsospecifiesrequirementsforthenutstobeprovidedwithboltsandscrewsconformingtothisstandard.NOTE1AtablesummarizingthekeyrequirementsofBS4933isincludedinAnnexA.ThistabledoesnotlisteveryrequirementinBS4933butisjustintendedasaquickreferenceforusers.NOTE2Itisconsideredthattherangeofnominalsizesincludedinthisstandardisadequateformostoftheapplicationsforwhichthisseriesislikelytobeemployed,butfortheconvenienceofusersrequiringlargersizes,furtherinformationisprovidedinAnnexB.
【中国标准分类号】:J13
【国际标准分类号】:21_060_10;21_060_20
【页数】:24P.;A4
【正文语种】:英语


【英文标准名称】:Multicoreandsymmetricalpair/quadcablesfordigitalcommunications-Part8:Symmetricalpair/quadcableswithtransmissioncharacteristicsupto1200MHz-Workareawiring-Sectionalspecification
【原文标准名称】:数字通信用对绞/星绞多芯和对称电缆.第8部分:不高于1200MHz的有传输特性的对绞/星绞对称电缆.工作场所布线.分规范
【标准号】:IEC61156-8-2009
【标准状态】:现行
【国别】:国际
【发布日期】:2009-05
【实施或试行日期】:
【发布单位】:国际电工委员会(IX-IEC)
【起草单位】:IEC/SC46C
【标准类型】:()
【标准水平】:()
【中文主题词】:适配器;电器用具软线;电缆;通信电缆;数据网络;数据传送;设计;数字的;数字信号;电气工程;电性能;绝缘件;集成服务数字网络;ISDN;LAN;材料;机械性能;多芯电缆;多股的;双股线;直上干管;分规范;铠装电缆;规范;规范(验收);对称的;通信;传输特性;布线
【英文主题词】:Adapters;Appliancecords;Cables;Communicationcables;Datanetwork;Datatransfer;Design;Digital;Digitalsignals;Electricalengineering;Electricalproperties;Insulations;Integratedservicesdigitalnetwork;ISDN;LAN;Materials;Mechanicalproperties;Multicorecables;Multi-wire;Pairsofwires;Risingmains;Sectionalspecification;Shieldedcables;Specification;Specification(approval);Symmetrical;Telecommunication;Transmissioncharacteristics;Wiring
【摘要】:
【中国标准分类号】:K13
【国际标准分类号】:33_120_20
【页数】:17P;A4
【正文语种】:英语