Lower Ball Joint bolts needed for K-H setup

Thanks guys, The problem will be finding bolts that are threaded all the way without that shoulder, otherwise I will have to use nuts..
I know you purchased $270.00 worth of parts from me already, but i just have to say this, not to detract from you asking questions or not, but you sure seem to like to make mountains out of mole hills, in your quest of doing this disc brake work.
There is NO NEED to use nuts on those Disc brake spindles of yours.
They fasten, bolt, right down into the threads in the spindle, without the need for any nuts.
Lots of people are feeding you lots of miss information on the forums that you have been posting.
Nuts and bolts are used on the BIG bolt pattern 73-76 A body disc brakes, and the B & E body brakes, and they use 5/8 inch nuts and bolts.
I'm pretty sure if you tried a longer bolt with nut on your spindle, ball joint arrangement, your going to wind up with an interference problem with longer bolts and nuts whacking into the lower control arm, on tighter turns, or brake rotor interference.

Lots of times i have been giving you a reply as i have been hanging around for awhile, before i go and do my errands around the city, before stores open for their business hours, or the local post office at 10 o'clock.

ACE Hardware carries lots of odd nuts and bolts, but if they are in quarter inch lengths, then ya, those are hard to come across, as most bolts are stocked in half inch length's.

Look online at McMaster Carr, or GOOGLE bolt sellers, vendors, over the internet.
That's how i found out lots of this stuff, ages ago.