1. 螺柱 double-screw bolt
  2. 螺柱升降机 spindle lift
  3. 螺柱滚子 spiral roller
  4. 螺柱焊 arc stud welding
  5. 螺栓 bolt
  6. 螺栓保险 bolt-lock
  7. 螺栓坯件 bolt blank
  8. 螺栓头 bolt head
  9. 螺栓头锻造机 bolt header
  10. 螺栓柄 grip of bolt
  11. 螺栓销 bolt pin
  12. 螺桨轴 propeller shaft
  13. 螺母 nut
  14. 螺母冲孔 nut piercing
  15. 螺母制作机 nut making machine
  16. 螺母攻丝 tap
  17. 螺母攻丝机 tapper
  18. 螺母机 nut machine
  19. 螺母锁紧 nut check
  20. 螺母锻造机 nut forging machine
  21. 螺簧 coil-spring
  22. 螺纹 screw thread
  23. 螺纹内径 bottom diameter
  24. 螺纹千分尺 screw-thread micrometer
  25. 螺纹千分表 thread-dial indicator
  26. 螺纹卡螺纹扣数 number of threads
  27. 螺纹圈 fillet of screw
  28. 螺纹塞 thread plug
  29. 螺纹塞规 plug thread gauge
  30. 螺纹成型机 thread forming machine
  31. 螺纹接口 hickey
  32. 螺纹接头 nipple
  33. 螺纹接套 bell tap
  34. 螺纹槽 thread groove
  35. 螺纹深度 depth of thread
  36. 螺纹滚刀 thread cutting hobbing
  37. 螺纹滚压机 thread rolling feeders
  38. 螺纹滚花辊 threading roll
  39. 螺纹滚轧机 screw-thread rolling machine
  40. 螺纹滚铣刀 thread hob
  41. 螺纹磨床 screw grinder
  42. 螺纹端 end of thread
  43. 螺纹端绞刀 thread end reamer
  44. 螺纹管 screwed conduit
  45. 螺纹管接头 screwed pipe joint
  46. 螺纹衬套 screw-thread bush
  47. 螺纹规 screw thread gauge
  48. 螺纹角 angle of rifling
  49. 螺纹谷 groove of thread
  50. 螺纹距 pitch of thread

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