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UNF
Threads
United
Fine
Straight
threads
(UNF)
are
parallel,
and
are
like
the
threads
on a
machine
screw
or
bolt.
They
require
a
tapped
hole
for
installation.
Most
commonly
used
on
trucks,
cars,
and
industrial
machines.
Maximum
Pressure
is
8,000
PSI.
All
zinc
dichromate
fittings
minimum
96
hours
to
red
rust.
All
zinc
fittings
case
hardened
to
Vickers
HV1
or
83
min
Rockwell
15N.
All
stainless
steel
fittings
are
type
303
stainless. |
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