poly square tubing inserts

STI Series square tubing inserts are finishing plugs that can be used in a variety of square applications. External tapered ribs ensure a secure fit in a wide range of tubing gauges.

  • Color: Black
  • Material: Low Density Polyethylene
  • LDPE service temperature: 150° F (66° C)
  • Some parts are also available with domed and/or other types of top profiles
  • Additional sizes available (consult factory for details)
  • RoHS Compliant
STI Series Plugs
PART NO. TO FIT
TUBE SIZE
TO FIT
TUBE GUAGE
TUBE WALL
THICKNESS
BOX
QTY.
SELECT PACK
QTY.
KIT PACK
QTY.
PART NO.
STI-1/2 1/2" 16 - 18 .065 - .049 10,000 1,000 100 STI-1/2
STI-5/8 5/8" 14 - 20 .083 - .035 5,000 1,000 100 STI-5/8
STI-3/4 3/4" 14 - 20 .083 - .035 5,000 1,000 100 STI-3/4
STI-7/8 7/8" 14 - 20 .083 - .035 3,000 1,000 100 STI-7/8
STI-1 1" 10 - 14 .134 - .083 2,500 1,000 100 STI-1
STI-1 1" 14 - 20 .083 - .035 2,500 1,000 100 STI-1
STI-1-1/8 1-1/8" 14 - 20 .083 - .035 2,000 500 50 STI-1-1/8
STI-1-1/4 1-1/4" 10 - 14 .134 - .083 1,600 500 50 STI-1-1/4
STI-1-1/4 1-1/4" 14 - 20 .083 - .035 1,600 500 50 STI-1-1/4
STI-1-3/8 1-3/8" 14 - 20 .083 - .035 1,000 500 50 STI-1-3/8
STI-1-1/2 1-1/2" 10 - 14 .134 - .083 1,000 500 50 STI-1-1/2
STI-1-1/2 1-1/2" 14 - 20 .083 - .035 1,000 500 50 STI-1-1/2
STI 40mm 40 mm 14 - 20 2.0 - 1.0 mm 1,000 500 50 STI 40mm
STI-1-3/4 1-3/4" 10 - 14 .134 - .083 500 250 25 STI-1-3/4
STI 50mm 50 mm 11 - 20 3.2 - 1.0 mm 500 250 25 STI 50mm
STI-2 2" 10 - 14 .134 - .083 500 250 25 STI-2
STI-2 2" 14 - 20 .083 - .035 500 250 25 STI-2
STI-2-3/8 2-3/8" 6 - 10 .203 - .134 250 100 10 STI-2-3/8
STI 60mm 60 mm 6 - 11 5.0 - 3.0 mm 250 100 10 STI 60mm
STI-2-1/2 2-1/2" 10 .134 - .083 250 100 10 STI-2-1/2
STI-3 3" 10 - 14 .134 - .083 250 100 10 STI-3
STI 80mm 80 mm 5 - 13 2.5 - 5.6 125 50 5 STI 80mm
STI-3-1/2 3-1/2" 6 - 11 .194 - .120 100 25 5 STI-3-1/2
STI-4 4" 7 - 11 .179 - .120 108 60 5 STI-4
STI-5 5" 7 - 11 .179 - .120 60 25 5 STI-5
STI-6 6" 7 - 11 .179 - .120 48 12 5 STI-6

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