さんこう 鑽孔 LinksSentence search for 鑽孔Sentence search for さんこうSentence search for さん孔Kanji details for 鑽 and 孔Edit in JMdict Noun, Suru verb, Intransitive verb1. boring; punchingOther formsさん孔 【さんこう】 Discussions Log in to talk about this word.