紧固件术语名词中英文对照

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1、螺纹大径也叫“主径”？：MajorDiam螺纹中径：Pitchdiam螺纹底径也叫“次径”？：Minordiam通止规：Go/Nogogage机械性能：mechanicalandphysicalpropertiesunifiedthread统一英制螺纹Lustratehydrogenaftergalvanizingtoavoidhydrogenembrittlement镀后去氢，防止氢脆Casecarburization表面渗碳Withacrossflats对边Withacrosscorners对角Radiusoff

2、illet:头下圆角Transitionthreadlength过度螺纹Wrenchingheight扳拧高度Rockwell铬氏硬度Vickers维氏硬度Brinell布氏硬度Metallographymicroscope金相显微镜Saltspraydevice盐雾试验箱Tensiletestingmachine拉力试验机Coldforming冷打Hotforging红镦PC8=propertyclass8机械性能8级原材料：Rawmaterial球化退火：Annealing冷拔：Drawing冷镦：Forming

3、机加工：Machining螺纹成型：RollThreading热处理：heat-treatment表面处理：finish去氢：Lustratinghydrogen检验：Inspection包装：Packing入库：Stocking车床：lathe磨制：grinding红打：hotforging冲压：punchingDiameter直径Length长度1标准GB（国标）ISO(国际标准)DIN（德制）JIS（日标）ANSI/ASME（美标）BA（英制）2螺纹M.MF(公制牙)UNC.UNF(美制牙)BSW.BSF(英制

4、牙)3海关编码73181500螺栓73181600螺帽73182100垫圈BO=blackoxide氧化发黑IHH=indhexhead锯六角头PH=phillips十字槽sw/fw=splitwasher/flatwasher弹垫平垫kepnut锁紧螺母cementation渗碳acornnut盖形螺母螺丝头型Pan圆头(盘头)Oval半沉头H.W.H..六角小法兰H.W.F.六角大法兰CSK沙拉头(沉头)Largewafer大扁平头Bugle喇叭头Truss盘头带垫Pozi米制槽Phill十字槽Serra-tio

5、n垫下带花FlowerHead开花头6-bobesrecess内梅花Pistonbolt活塞螺钉Windingbolt线圈螺钉Hexagonheadbolts-fullthread六角头螺栓全螺纹Carriagebolt马车螺栓Squareheadbolt-productgradeC方头螺栓C级Flatcountersunksquareneckbolts沉头方颈螺栓Flatcountersunknibbolts沉头带榫螺栓常用紧固件英语Cupheadsquareneckbolts半圆头方螺栓Cupheadnibbol

6、ts半圆头带榫螺栓Cupheadsquareneckboltswithlargehead–productgradeC大半圆头方颈螺栓C级Hexagonheadbolts-productgradeC六角头螺栓C级Hexagonheadbolts-fullthread–productgradeC六角头螺栓全螺纹C级Hexagonheadbolts六角头螺栓Hexagonheadbolts–fullthread六角头螺栓全螺纹Hexagonheadbolts-reducedshank-productgradeB六角头螺栓细

7、杆菌B级Hexagonheadboltswithfinepitchthread六角头螺栓细牙Hexagonheadboltswithfinepitchthreadfullthread六角头螺栓细牙全螺纹Hexagonflangebolts–heavyseries-productgradeB六角法兰面螺栓加大系列车员B级Crossrecessedpanheadtappingscrews十字槽盘头自攻螺钉Hexagonflangedrillingscrewwithtappingscrewthread六角法兰面自钻自攻螺钉