screw wrench

1. Therefore, the overthread screw tap can be matched with a pneumatic wrench having regular hexagonal holes via insertion, and the overthread screw tap has the advantage of high work efficiency.
   其扭力段由正四棱柱形改为正六棱柱形的，这样可以与有正内六角孔的风动扳手相插配使用，有提高工效的特点。
2. A heavy wood screw with a square or hexagonal head that is driven in with a wrench.
   一种带有由扳手销入的正方形或圆形头儿的重材螺丝。
3. Steering arm adjusting screw wrench
   转向臂调节螺钉扳手
4. The utility model is convenient and reliable in manufacture and use, the intracavity of the screw and the head of the wrench is not easy to fail by abrasion when used.
   本实用新型制造和使用方便可靠，在使用时螺钉头的内腔和扳手的头部不易因磨损而失效。

noun

1. adjustable wrench that has one jaw that can be adjusted by turning a screw