head stud dimensions
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Senior User
Joined: Jul 2006
Posts: 202
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From: Hamburg PA
head stud dimensions
hey guys i was wondering if any1 knew the actual sizes of the head studs for a 7.3 i have a buddy in a machine shop that said he might be able to make me a set if i can find the sizes.
if this can be done what material do you suggest is used?
thx
if this can be done what material do you suggest is used?
thx
Post Fiend
Joined: Nov 2003
Posts: 21,285
Likes: 16
From: Nutter Fort, WV
Bottom threads are 1.2" x 13 and the tops are 1/2" USS fine.
Length I don't know off the top of my head, but they are about 1.25" longer than head bolts.
As for what to make them out of, that will be a bit harder to find, tensile strength around 220,000 pounds is what you are looking for.
And most head studs have rolled threads, not cut threads.
Length I don't know off the top of my head, but they are about 1.25" longer than head bolts.
As for what to make them out of, that will be a bit harder to find, tensile strength around 220,000 pounds is what you are looking for.
And most head studs have rolled threads, not cut threads.
Posting Guru
Joined: Mar 2005
Posts: 1,701
Likes: 0
From: KY
I don't know there size but the material can vary. The thing is with making them a person would need a heat treat oven and stove to temper them. That process would depend on what steel a person used. I haven't taken the time to figure out what steel they use on those studs. It isn't a real high carbon steel but the heat treatment is the key.
Oh I forgot something. Some of the guys mentioned rolled threads on the studs. I did some checking into that and actually according to several bolt people, the rolled threads are not stronger. I didn't know so I looked. The guys had me wondering. Anyway the rolled thread deal basicly is part of the process of extruding a bolt from the metal stock and is less labor intensive then cutting the threads.
Do some looking around as see what you find. I learned some interesting things.
Oh I forgot something. Some of the guys mentioned rolled threads on the studs. I did some checking into that and actually according to several bolt people, the rolled threads are not stronger. I didn't know so I looked. The guys had me wondering. Anyway the rolled thread deal basicly is part of the process of extruding a bolt from the metal stock and is less labor intensive then cutting the threads.
Do some looking around as see what you find. I learned some interesting things.
