BSTP (British Standard Taper Pipe Thread) Profile
r = Basic Radius = 0.137278 p
h = Basic Depth of Thread = 0.640327 p
p = Pitch =
1
/
t.p.i.
Taper is 1 in 16 on Diameter ( Exaggerated in Drawing)
Angle of Thread = 55
o
Degrees.
