BKF 14-10-1 BKF 14-10-0.5/M20 BKF 14-10-0.5/M18 BKF 14-10-0.5/18.375/NPT BKF 14-10-0.5/14.5/NPT BKF 14-10-0.5 BKF 14 BKF 12-967-6/14.5/NPT/S717 BKF 12-967-1.5/14.5/NPT/S717 BKF 12-12-4/M18