Home Pipe Threads 2" NPT

2" NPT Thread Specifications

Complete dimensions for 2" NPT pipe thread. TPI: 11.5, Pitch: 0.08696" (2.209 mm).

Thread Dimensions

Designation2" NPT
Nominal Pipe Size2"
TPI11.5
Pitch0.08696" (2.209 mm)
Outside Diameter2.375" (60.33 mm)
Pitch Diameter2.3185" (58.89 mm)
Minor Diameter2.2683" (57.62 mm)
Taper Angle1.7899° (1:16 taper ratio)
Thread Depth0.06025" (1.53 mm)

Tap Drill Size

Tap drill: 2.2683" (57.62 mm)

Common Applications