螺栓各部位的英文名称

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1、螺旋线  helix螺纹  screw  thread圆柱螺纹  parallel  screw  thread圆锥螺纹  taperscrew  thread外螺纹  external  thread内螺纹  internal  thread单线螺纹  single-startthread  多线螺纹  multi-startthread右旋螺纹  right-hand  thread左旋螺纹  left-handthread自攻螺纹  tappingscrewthread基本牙型  basic  profile牙型角  thread  angle牙

2、型半角  halfofthread  angle  公称直径  nominal  diameter  螺纹大径  majordiameter螺纹小径  minordiameter螺纹中径  pitch  diameter螺距  pitch螺纹导程  lead螺纹升角  lead  angle螺纹牙厚  thread  ridge  thickness  螺纹槽宽  thread  groove  width  螺纹旋合长度  length  of  thread  engagement螺纹接触高度  thread  contact  height螺距偏

3、差  deviation  in  pitch  螺距累积误差  cumulative  error  inpitch  螺栓  bolt双头螺柱  stud六角头螺栓  hexagon  bolt地脚螺栓  foundation  boltT形螺栓  T-headbolt,hammer  head  bolt螺钉  screw紧定螺钉  set  screw自攻螺钉  tapping  screw吊环螺钉  lifting  eye  bolt开槽圆柱头螺钉  slotted  cheese  head  screw开槽盘头螺钉  slotted  

4、pan  head  screw开槽沉头螺钉  slotted  countersunk(flat)  head  screw  开槽半沉头螺钉  slotted  raised  countersunk(oval)  head  screw  开槽圆头螺钉  slotted  round  head  screw内六角圆柱头螺钉  hexagon  socket  head  cap  head  screw内六角沉头螺钉  hexagon  socketcountersunkhead  cap  head  screw十字槽盘头螺钉  cross 

5、 recessed  pan  head  screw十字槽沉头螺钉  cross  recessed  countersunk  head  screw螺母  nut六角螺母  hexagon  nut方螺母  square  nut圆螺母  round  nut滚花高螺母  knurled  nut  with  collar翼形螺母  wing  nut吊环螺母  lifting  nut螺纹牙型threadtoothprofile三角形螺纹triangularthread矩形螺纹squarethread梯形螺纹trapezoidal(acme)

6、thread锯齿形螺纹buttressthread外(阳)螺纹 external(male)thread内(阴)螺纹 internal(female)thread倒角chamfer球头roundheads平头flatheads螺尾threadrunout退刀(越程)槽undercut车外螺纹externalthreadlathing车内螺纹internalthreadlathing套外螺纹coveringexternalthread攻内螺纹tapping钻孔drilling铰孔reaming通孔throughhole盲孔blindhole螺纹盲孔bli

7、ndthreadedhole麻花钻twistdrill钻头角pointangle螺纹终止线threadendline公称直径nominaldiameter螺纹大径majordiameter螺纹小径 minordiameter螺纹中径pitch(effective)diameter牙底root牙顶crest螺距pitch导程lead旋向revolvingdirection螺纹角threadangle右旋螺纹righthand-thread左旋螺纹lefthand-thread顺时针方向clockwise逆时针方向anti-clockwise线数numbe

8、rofstarts单线螺纹single-startthread双线螺纹double-start