钎 釺 qian1
a drill (for boring through rock)

strokes 11
radical
钅
金
strokes after radical 3
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