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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

Product Options

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PART NO. COLOR TO FIT
TUBE SIZE
TO FIT
TUBE GAUGE
TUBE WALL
THICKNESS
PRODUCT OPTIONS
STI-1/2 16-18 Black 1/2" 16-18 .065 -.049 Carton 10,000 1 1,000 100 408.45 97.30 34.06 1,254
STI-5/8 14-20 Black 5/8" 14-20 .083-.035 Sample 5,000 1 1,000 100 244.13 116.20 40.67 1,255
STI-3/4 14-20 Black 3/4" 14-20 .083-.035 Carton 5,000 1 1,000 100 282.45 188.20 65.86 1,256
STI-7/8 14-20 Black 7/8" 14-20 .083-.035 Sample 3,000 1 1,000 100 217.67 172.60 60.41 1,257
STI-1 10-14 Black 1" 10-14 .134-.083 Carton 2,500 1 1,000 100 184.01 245.40 85.94 1,258
STI-1 14-20 Black 1" 14-20 .083-.035 Carton 2,500 1 1,000 100 184.01 245.40 85.94 1,259
STI-1-1/8 14-20 Black 1 1/8" 14-20 .083-.035 Sample 2,000 1 500 50 249.90 208.25 72.89 1,260
STI-1-1/4 10-14 Black 1 1/4" 10-14 .134-.083 Carton 1,600 1 500 50 204.46 213.25 74.63 1,261
STI-1-1/4 14-20 Black 1 1/4" 14-20 .083-.035 Carton 1,600 1 500 50 204.46 213.25 74.63 1,262
STI-1-3/8 14-20 Black 1 3/8" 14-20 .083-.035 Kit Pack 1,000 1 500 50 378.00 449.90 157.47 1,263
STI-1-1/2 10-14 Black 1 1/2" 10-14 .134-.083 Carton 1,000 1 500 50 210.84 351.50 123.02 1,264
STI-1-1/2 14-20 Black 1 1/2" 14-20 .083-.035 Carton 1,000 1 500 50 210.84 351.50 123.02 1,265
STI-40 MM 14-20 Black 40 mm 14-20 2.0 -1.0 mm Carton 1,000 1 500 50 166.11 276.85 96.90 1,266
STI-1-3/4 10-14 Black 1 3/4" 10-14 .134-.083 Sample 500 1 250 25 143.43 211.73 83.67 1,267
STI-50 MM 11-20 Black 50 mm 11-20 3.2-1.0 mm Carton 500 1 250 25 326.97 544.95 190.73 1,268
STI-2 10-14 Black 2" 10-14 .134-.083 Carton 500 1 250 25 163.91 273.18 95.62 1,269
STI-2 14-20 Black 2" 14-20 .083-.035 Sample 500 1 250 25 163.91 273.18 95.61 1,270
STI-2-3/8 6-10 Black 2 3/8" 6-10 .203-.134 Carton 250 1 100 10 173.46 231.28 80.95 1,271
STI-60 MM 6-11 Black 60 mm 6-11 5.0-3.0 mm Carton 250 1 100 10 168.03 224.04 78.41 1,272
STI-2-1/2 10-14 Black 2 1/2" 10-14 .134-.083 Kit Pack 250 1 100 10 190.97 254.63 89.12 1,273
STI-3 10-14 Black 3" 10-14 .134-.083 Carton 200 1 50 10 205.57 171.31 119.91 1,274
STI-80 MM 5-13 Black 80 mm 5-13 2.5-5.6 mm Carton 125 1 50 5 191.24 267.74 93.71 1,275
STI-3-1/2 6-11 Black 3 1/2" 6-11 .194-.120 Kit Pack 100 1 25 5 195.05 162.54 113.78 1,276
STI-4 7-11 Black 4" 7-11 .179-.120 Carton 108 1 60 5 211.37 391.42 114.16 1,277
STI-5 7-11 Black 5" 7-11 .179-.120 Carton 60 1 25 5 135.16 187.72 131.40 1,278
STI-6 7-11 Black 6" 7-11 .179-.120 Carton 48 1 12 5 223.01 185.84 271.02 1,279

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