Home BSP Threads G4" BSP

G4" BSP Thread Specifications

Complete dimensions for G4" BSP pipe thread. TPI: 11, Pitch: 0.09091" (2.309 mm).

Thread Dimensions

DesignationG4" BSP
Nominal Pipe Size4"
TPI11
Pitch0.09091" (2.309 mm)
Outside Diameter4.2" (106.68 mm)
Pitch Diameter4.1418" (105.2 mm)
Minor Diameter4.0836" (103.72 mm)
Thread Angle55° (Whitworth form)
Thread Depth0.05821" (1.479 mm)

Tap Drill Size

Tap drill: 4.0836" (103.72 mm)

Common Applications