BKF 14-12-0.5/14.5/NPT BKF 14-12-0.5/18.375/NPT BKF 14-12-0.5/M18 BKF 14-12-0.5/M20 BKF 14-12-1 BKF 14-12-2 BKF 14-12-2/14.5/NPT BKF 14-12-3 BKF 14-14-0.1/14.5/NPT BKF 14-14-0.1/18.375/NPT