标准公差表基本尺寸公差值IT4IT5IT6IT7IT8IT9IT10IT11IT12IT13IT14IT15IT16IT17IT18大于到mmm33461014254060010014025040060101436458121830487501201803004807512186104691522365890015022036058090152210185811182743701100180270430701101827183069132133528413002103305208413021333050711162539621001600250390621001602539508081319304674120190030046074120190304680120101522355487140220035054087140220355412018012182540631001602500400631001602504063180250142029467211518529004607211518529046722503151623325281130210320052081130210320