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 1,000 100 389.00 97.30 34.06 409
STI-5/8 14-20 Black 5/8" 14-20 .083-.035 Sample 5,000 1 1,000 100 232.50 116.20 40.67 410
STI-3/4 14-20 Black 3/4" 14-20 .083-.035 Carton 5,000 1 1,000 100 269.00 188.20 65.86 411
STI-7/8 14-20 Black 7/8" 14-20 .083-.035 Sample 3,000 1 1,000 100 207.30 172.60 60.41 412
STI-1 10-14 Black 1" 10-14 .134-.083 Carton 2,500 1 1,000 100 175.25 245.40 85.94 413
STI-1 14-20 Black 1" 14-20 .083-.035 Carton 2,500 1 1,000 100 175.25 245.40 85.94 414
STI-1-1/8 14-20 Black 1 1/8" 14-20 .083-.035 Sample 2,000 1 500 50 238.00 208.25 72.89 415
STI-1-1/4 10-14 Black 1 1/4" 10-14 .134-.083 Carton 1,600 1 500 50 194.72 213.25 74.63 416
STI-1-1/4 14-20 Black 1 1/4" 14-20 .083-.035 Carton 1,600 1 500 50 194.72 213.25 74.63 417
STI-1-3/8 14-20 Black 1 3/8" 14-20 .083-.035 Kit Pack 1,000 1 500 50 360.00 449.90 157.47 418
STI-1-1/2 10-14 Black 1 1/2" 10-14 .134-.083 Carton 1,000 1 500 50 200.80 351.40 122.99 419
STI-1-1/2 14-20 Black 1 1/2" 14-20 .083-.035 Carton 1,000 1 500 50 200.80 351.50 123.02 420
STI-40 MM 14-20 Black 40 mm 14-20 2.0 -1.0 mm Carton 1,000 1 500 50 158.20 276.85 96.90 421
STI-1-3/4 10-14 Black 1 3/4" 10-14 .134-.083 Sample 500 1 250 25 136.60 239.05 83.67 422
STI-50 MM 11-20 Black 50 mm 11-20 3.2-1.0 mm Carton 500 1 250 25 311.40 544.95 190.73 423
STI-2 10-14 Black 2" 10-14 .134-.083 Carton 500 1 250 25 156.10 273.18 95.62 424
STI-2 14-20 Black 2" 14-20 .083-.035 Sample 500 1 250 25 156.10 273.18 95.61 425
STI-2-3/8 6-10 Black 2 3/8" 6-10 .203-.134 Carton 250 1 100 10 165.20 231.28 80.95 426
STI-60 MM 6-11 Black 60 mm 6-11 5.0-3.0 mm Carton 250 1 100 10 160.03 224.04 78.41 427
STI-2-1/2 10-14 Black 2 1/2" 10-14 .134-.083 Kit Pack 250 1 100 10 181.88 254.63 89.12 428
STI-3 10-14 Black 3" 10-14 .134-.083 Carton 200 1 50 10 195.78 171.31 119.91 429
STI-80 MM 5-13 Black 80 mm 5-13 2.5-5.6 mm Carton 125 1 50 5 191.24 267.74 93.71 430
STI-3-1/2 6-11 Black 3 1/2" 6-11 .194-.120 Kit Pack 100 1 25 5 185.76 162.54 113.78 431
STI-4 7-11 Black 4" 7-11 .179-.120 Carton 108 1 60 5 201.30 391.42 114.16 432
STI-5 7-11 Black 5" 7-11 .179-.120 Carton 60 1 25 5 128.72 187.72 131.40 433
STI-6 7-11 Black 6" 7-11 .179-.120 Carton 48 1 12 5 212.39 185.84 271.02 434

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