八.PT英制锥度螺纹
九NPT美制锥度螺纹
规 格
规 格
PT 1/8 -28
NPT 1/8 -27
PT 1/4 -19
NPT 1/4 -18
PT 3/8 -19
NPT 3/8 -18
PT 1/2 -14
NPT 1/2 -14
PT 3/4 -14
NPT 3/4 -14
PT 1 -11
NPT 1 -11 1/2
PT 1 1/4 -11
NPT 1 1/4 -11 1/2
PT 1 1/2 -11
NPT 1 1/2 -11 1/2
PT 2 -11
NPT 2 -11 1/2
PT 2 1/2 -11
NPT 2 1/2 -8
PT 3 -11
NPT 3 -8
PT 31/2 -11
NPT 4 -8
PT 4 -11