necked bolt 中文意思是什麼

necked bolt 解釋
長頸螺栓
  • necked : 頸狀的;縮小的
  • bolt : n 1 螺釘,螺栓。2 (門窗等的)插銷;閂,鎖簧。3 箭,矢;弩箭;【軍事】槍機,槍栓。4 電光,閃電。5...
  1. Bolt, hexagonal head, necked shank, for tensile application. iso thread 4g class

    細桿六角頭承拉螺栓. iso螺紋4g級
  2. Bolt, hexagonal head, necked shank, for tensile application. iso thread 4h class

    細頸桿六角頭承拉螺栓. iso螺紋4h級
  3. Bolt, hexagonal head, necked shank, with locking hole, for tensile application. iso thread 4h class

    細頸桿有鎖孔六角頭承拉螺栓. iso螺紋4h級
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