World Leader in the Manufacture and Supply of Injection Molded Cable Management Products 513-201-3069

Thread dimensions for NPT threads ANSI B 1.20.1

Thread dimensions for NPT threads ANSI B 1.20.1
Thread Ø d2
Ø d3
Ø p
3/8" 16.7 mm 17 mm + 0.2 mm 1.14 mm
1/2" 21 mm 21.3 mm + 0.2 mm 1.18 mm
3/4" 26.4 mm 26.7 mm + 0.2 mm 1.18 mm
1" 33.3 mm 33.6 mm + 0.2 mm 2.21 mm
1 1/4" 41.9 mm 42.2 mm + 0.2 mm 2.21 mm
1 1/2" 47.8 mm 48.1 mm + 0.3 mm 2.21 mm
2" 59.8 mm 59.9 mm + 0.3 mm 2.21 mm
Ø d1
Ø d2
Ø d3
Ø p
Displaying Metric Units