杆形头部弹是用一根杆取代锥形等流线型头部的一种特殊弹种。
The rod-nosed projectile is one that replaces the conical shaped or other streamlined noses with a rod-nose.
图片所示，是一把普通的钻石形头部单钩，厚度大约在0.028英寸。
In this photo, a half-diamond fiber glass pick is shown. This pick is roughly 0.028 "thick."
通过工具旋转上述多边形头部，紧固螺栓，将 上述被紧固物紧固于结构物上。
Rotating the polygonal head with tools to tightening bolt and the object can be fixed on the structure.
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