Stroke count: 23
Meaning: make fire by rubbing sticks
Kunyomi: き.る
Onyomi: サン
Composition: 金 賛
Radical: 金
Meaning: metal, gold
鑽孔機 （サンコウキ） boring machine, punching machine, perforator
研鑽 （ケンサン） diligent study, devoting oneself to one's studies
鑽る （きる） to start a fire (with wood-wood friction or by striking metal against stone)