qian1
a drill (for boring through rock)

strokes 8
radical
strokes after radical 3
钢钎 鋼鐱 gang1 qian1
a steel drill

炮钎 炮釺 pao4 qian1
a drill; a hammer drill for boring through rock; same as 釺子|钎子

钎子 釺子 qian1 zi5
hammer drill for boring through rock