20 X 1.0J(ISO) Step Lip Outer/Rolled Flange.
Valve Hole Size & Location: 21/64" Centered in Well Angle, Hole Aligned.
20 X 1.5J(ISO) Step Lip Outer/Rolled Flange.
20 X 2.0J(ISO) Step Lip Outer/Rolled Flange.
20 X 2.5J(ISO) Step Lip Outer/Rolled Flange.
20 X 3.0J(ISO) Step Lip Outer/Rolled Flange.
20 X 3.5J(ISO) Step Lip Outer/Rolled Flange.
20 X 4.0J(ISO) Step Lip Outer/Rolled Flange.
20 X 4.5J(ISO) Step Lip Outer/Rolled Flange.
20 X 5.0J(ISO) Step Lip Outer/Rolled Flange.
20 X 5.5J(ISO) Step Lip Outer/Rolled Flange.