Mold-in, Blind*
This threaded
insert
is designed
to be molded into the
plastic component during
thesizes
HC Series
inserts
offer the same
Recommended
hole
molding
cycle.as
Typically,
insert
is placed on a core pin in the mold during the
benefits
C Seriesthe
plus
a flanged
the chart
Holetosizes
molding
cycle.
The
insert
is designed
knurling
and below.
undercuts
resistare not
head.
They
offer
a large
contact with
areaaggressiveSee
necessarily
corethread)
pin sizes.
rotational
and tensile
pull loads.
The
part has a closed
bottom (blind
to The core
for electrical
connection
and
greater
pins should
allow for
eliminate
plastic
flow into
threads.
Although our catalog
insertbe
is designed
brass, thistoproduct
pull-out
strengths
forthe
reverse
entry
shrinkage
of
the
plastic.
For
easier
can also
be
manufactured
in
stainless
steel,
steel
and
aluminum.
applications.
release of core pins a 1˚ overall taper is
* Note: The manufacturing process may leave a smallacceptable.
cut-off nib The
on the
closed
end.
depth
of the
hole
should
be
the
length
of
the
insert
plus
Recommended Hole Size – See chart for installation hole size.
.030”
minimum
to
contain
any
flash
that
Additional information can be found on page 5, Design Guidelines.
might be displaced.
B
D
“A” Stock ø
before knurl
C
Min. Thread
INCH
Thread
Size
2-56
METRIC
Part
Number
256 x 156MB
256 x 219MB
Thread
Size
–
440 x 281MB
M3.0 x 0.5
8-32
M3.5 x 0.6
5/16-18
5/16-24
3/8-16
3/8-24
±.004
±.005
–
.156
.156
.188
.188
.188
.219
.219
.219
.250
.250
.250
.281
.281
.281
.281
.281
.281
.344
.344
.344
.344
.438
.438
.438
.438
.500
.500
.500
.500
.156
.219
.205
.281
.344
.250
.344
.469
.469
.142
.142
.171
.171
.171
.202
.202
.202
.226
.226
.226
.259
.259
.259
.259
.259
.259
.321
.321
.321
.321
.404
.404
.404
.404
.466
.466
.466
.466
.030
.030
.030
.030
.030
.060
.060
.060
.060
.060
.060
.060
.060
.060
.060
.060
.060
.090
.090
.090
.090
.094
.094
.094
.094
.094
.094
.094
.094
–
–
–
–
–
M4.0 x 0.7
1024 x 531MB
1032 x 438MB
–
–
–
M5.0 x 0.8
–
–
–
1032 x 281MB
1/4-28
±.004
M40 x 469MB
1024 x 750MB
1/4-20
±.005
832 x 469MB
1024 x 438MB
10-32
Part
Number
632 x 469MB
–
10-24
D
–
632 x 250MB
632 x 344MB
C
M30 x 344MB
440 x 344MB
6-32
B
M30 x 205MB
440 x 205MB
4-40
A
M5.0 x 0.8
–
1032 x 531MB
–
2520 x 531MB
M60 x 531MB
–
–
–
3118 x 719MB
–
3124 x 719MB†
–
3816 x 812MB
3816 x 890MB†
–
–
M6.0 x 1.0
–
M8.0 x 1.25
–
–
–
–
–
–
–
–
–
–
–
–
–
–
.438
.531
.750
.281
.438
.531
.531
.719
.719
.812
.890
Min. Full
Thread
4
6
4
6
8
4
6
10
10
6
8
12
4
6
8
6
8
10
8
9
† Non-stocking items.
Tri-Star Industries • 800-882-8980 • email: sales@tristar-inserts.com • www.tristar-inserts.com
Rev. 200809