Home Pipe Threads 10" NPT

10" NPT Thread Specifications

Complete dimensions for 10" NPT pipe thread. TPI: 8, Pitch: 0.125" (3.175 mm).

Thread Dimensions

Designation10" NPT
Nominal Pipe Size10"
TPI8
Pitch0.125" (3.175 mm)
Outside Diameter10.75" (273.05 mm)
Pitch Diameter10.6688" (270.99 mm)
Minor Diameter10.5966" (269.15 mm)
Taper Angle1.7899° (1:16 taper ratio)
Thread Depth0.0866" (2.2 mm)

Tap Drill Size

Tap drill: 10.5966" (269.15 mm)

Common Applications