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STI SERIES - SQUARE TUBING INSERTS
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The STI Series of square finishing plugs can be used in a variety of applications. Externally tapered ribs ensure a secure fit in a wide range of tubing guages.

  • Color: Black
  • Material: Low Density Polyethylene
  • LDPE service temperature: 150° F (66° C)
  • Some parts are available with domed and/or other types of top profiles
  • Additional sizes available (consult factory for details)
  • RoHS Compliant

PART
NO.
TO FIT
TUBE SIZE
TO FIT
TUBE GUAGE
TUBE WALL
THICKNESS
BOX QTY.
SELECT
PACK QTY.
STI-1/2
1/2
16 - 18
.065 - .049
10,000
1,000
STI-5/8
5/8
14 - 20
.083 - .035
5,000
1,000
STI-3/4
3/4
14 - 20
.083 - .035
5,000
1,000
STI-7/8
7/8
14 - 20
.083 - .035
3,000
1,000
STI-1
1
10 - 14
.134 - .083
2,500
1,000
STI-1
1
14 - 20
.083 - .035
2,500
1,000
STI-1-1/8
1-1/8
14 - 20
.083 - .035
2,000
500
STI-1-1/4
1-1/4
10 - 14
.134 - .083
2,000
500
STI-1-1/4
1-1/4
14 - 20
.083 - .035
2,000
500
STI-1-3/8
1-3/8
14 - 20
.083 - .035
1,000
500
STI-1-1/2
1-1/2
10 - 14
.134 - .083
1,000
500
STI-1-1/2
1-1/2
14 - 20
.083 - .035
1,000
500
STI-1-3/4
1-3/4
10 - 14
.134 - .083
500
250
STI-1-3/4
1-3/4
14 - 20
.083 - .035
500
250
STI 50mm
50mm
8 - 10
.164 - .134
500
250
STI-2
2
10 - 14
.134 - .083
500
250
STI-2
2
14 - 20
.083 - .035
500
250
STI 60mm
60 mm
6 - 10
.194 - .134
250
100
STI-2-1/2
2-1/2
10
0.134
250
100
STI-3
3
6 - 11
.194 - .120
250
100
STI-3-1/2
3-1/2
6 - 11
.194 - .120
250
100
STI-4
4
7 - 11
.224 - .149
200
60
STI-5
5
7 - 11
.179 - .120
50
25
STI-6
6
7 - 11
.179 - .120
25
10