代號L每英寸牙數(shù)Dd11/2-14NPT13.10144318.5643/4-14NPT13.60144823.9091-11-1/2NPT15.1511-1/25629.9901-1/4-11-1/2NPT15.6511-1/27238.7471-1/2-11-1/2NPT15.6511-1/28044.8162-11-1/2NPT16.1011-1/29056.8542-1/2-8NPT22.30811568.0443-8NPT24.45813583.9533-1/2-8NPT25.85815596.6614-8NPT26.458175109.3185-8NPT28.88200136.2976-8NPT29.358235163.137