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【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