Hey, Mr. Steiger...
<snip> : What's the thread size for the schrader valves?
Its a weird one. .305-32. (.305" diameter, 32 threads per inch)<snip>
Actually, it's not. I'd say it meets the criteria for a 5/16 - 32UNEF - 2A
thread.
The max specified size of the majot thread diameter is .3115"
The tolerance on the major thread diameter is -.0060"
Therefore the min. minor thd. dia. is .3055"
If your measuring skill & equipment can accurately read out to "tenths",
it's undersize by 1/20th the thickness of a sheet of Kleenex (kinda small),
which would be negated by a thread sealing compound, IMHO...
Bob Smith (DAKSY2K on AIM)
(page 1282 Machinery's Handbook, 21st edition)
2K DAK SY Sport + V6 4X4 5Speed
WebPage URL: http://home.nycap.rr.com/daksy/
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