Square Tubing

Square composite tubing ◾ Standard, intermediate and high modulus options ◾ Carbon fiber and fiberglass available
The uses of square composite tubing are as limitless as your imagination. Our shaped tubes are perfect for designs where "clocking" is important. Standard dimensions allow you to use standard components. The radiused corners help reduce stress concentrations. We offer a huge selection of carbon fiber and other composite materials. Plus, we can cut and machine most tubes to order. To get a better idea of available finishes, order a sample pack!
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Tube - Square - Pultruded Unidirectional - 0.098 X 0.157 X 78 InchSKU: T-SQR-157
Click "add/ customize" to add full lengths or to select your custom cut length preferences
Learn More$25.99SKU: T-SQR-157 -
Tube - Square - Pultruded Unidirectional - 0.157 x 0.236 x 78 InchSKU: T-SQR-236
Click "add/ customize" to add full lengths or to select your custom cut length preferences
Learn More$29.99SKU: T-SQR-236 -
Tube - Square - Pultruded Unidirectional - 0.236 X 0.315 X 78 InchSKU: T-SQR-315
Click "add/ customize" to add full lengths or to select your custom cut length preferences
Learn More$36.99SKU: T-SQR-315 -
Tube - Square - Fiberglass - 0.75 x 0.83 x 66 inchSKU: 25483-FG
Click "add/ customize" to add full lengths or to select your custom cut length preferences
Learn More$196.99SKU: 25483-FG -
Tube - Square - Fabric - 0.75 x 0.83 x 12 inchSKU: 25483-L12
Click "add/ customize" to add full lengths or to select your custom cut length preferences
Learn More$55.20SKU: 25483-L12 -
Tube - Square - Fabric - 0.75 x 0.83 x 32 inchSKU: 25483-L32
Click "add/ customize" to add full lengths or to select your custom cut length preferences
Learn More$139.99SKU: 25483-L32 -
Tube - Square - Fabric - 0.75 x 0.83 x 66 inchSKU: 25483
Click "add/ customize" to add full lengths or to select your custom cut length preferences
Learn More$167.99SKU: 25483 -
Tube - Square - Fabric - 0.75 x 0.88 x 66 inchSKU: 25484
Click "add/ customize" to add full lengths or to select your custom cut length preferences
Learn More$214.99SKU: 25484 -
Tube - Square - Ultra High Modulus - 0.75 X 0.825 X 66 Inch - BLOWOUTSKU: 25483-UHM-BLOWOUT
Click "add/ customize" to add full lengths or to select your custom cut length preferences
Learn More$89.00SKU: 25483-UHM-BLOWOUT -
Tube - Square - Fabric - 0.875 x 1.00 x 66 inchSKU: 25486
Click "add/ customize" to add full lengths or to select your custom cut length preferences
Learn More$214.99SKU: 25486 -
Tube - Square - Fabric - 0.875 x 0.95 x 66 inchSKU: 25485
Click "add/ customize" to add full lengths or to select your custom cut length preferences
Learn More$186.99SKU: 25485 -
Tube - Square - Fabric - 0.875 x 1.058 x 66 inchSKU: 25535
Click "add/ customize" to add full lengths or to select your custom cut length preferences
Learn More$207.99SKU: 25535 -
Tube - Square - Twill - Standard Modulus - 0.958 x 1.080 x 79 InchSKU: 25520
Click "add/ customize" to add full lengths or to select your custom cut length preferences
Learn More$239.99SKU: 25520 -
Built To OrderTube - Square - Fiberglass - 1.00 x 1.13 x 66 inch [BUILT TO ORDER]SKU: 25488-FG
Click "add/ customize" to add full lengths or to select your custom cut length preferences
Learn More$389.99SKU: 25488-FG -
Built To OrderTube - Square - Fiberglass - 1.00 x 1.24 x 66 inch [BUILT TO ORDER]SKU: 25512-FG
Click "add/ customize" to add full lengths or to select your custom cut length preferences
Learn More$537.99SKU: 25512-FG -
Tube - Square - Fabric - 1.00 x 1.08 x 102.25 inchSKU: 25487-LONG
Click "add/ customize" to add full lengths or to select your custom cut length preferences
Learn More$318.99SKU: 25487-LONG -
Tube - Square - Fabric - 1.00 x 1.08 x 12 inchSKU: 25487-L12
Click "add/ customize" to add full lengths or to select your custom cut length preferences
Learn More$65.76SKU: 25487-L12 -
Tube - Square - Spread Tow Fabric - Intermediate Modulus - 1.00 x 1.13 x 100 InchSKU: 25488-IM-LONG
Click "add/ customize" to add full lengths or to select your custom cut length preferences
Learn More$291.99SKU: 25488-IM-LONG -
Tube - Square - Spread Tow Fabric - Intermediate Modulus - 1.00 x 1.08 x 66 InchSKU: 25487-IM
Click "add/ customize" to add full lengths or to select your custom cut length preferences
Learn More$186.99SKU: 25487-IM -
Built To OrderTube - Square - Spread Tow Fabric - Intermediate Modulus - 1.00 x 1.08 x 80 Inch [BUILT TO ORDER]SKU: 25487-IM-LONG
Click "add/ customize" to add full lengths or to select your custom cut length preferences
Learn More$421.99SKU: 25487-IM-LONG -
Tube - Square - Fabric - 1.00 x 1.08 x 32 inchSKU: 25487-L32
Click "add/ customize" to add full lengths or to select your custom cut length preferences
Learn More$166.39SKU: 25487-L32 -
Tube - Square - Fabric - 1.00 x 1.13 x 66 inchSKU: 25488
Click "add/ customize" to add full lengths or to select your custom cut length preferences
Learn More$229.99SKU: 25488 -
Tube - Square - Fabric - 1.00 x 1.08 x 66 inchSKU: 25487
Click "add/ customize" to add full lengths or to select your custom cut length preferences
Learn More$202.99SKU: 25487 -
Built To OrderTube - Square - Plain Weave - High Modulus - 0.005 Glass Weave Outer - 1.000 x 1.098 x 45 inch [BUILT TO ORDER]SKU: 25509-HM
Click "add/ customize" to add full lengths or to select your custom cut length preferences
Learn More$564.99SKU: 25509-HM -
Tube - Square - Plain Weave - High Modulus - Fabric - 1.00 x 1.09 x 66 inSKU: 25487-HM
Not eligible for return or exchange.
Learn More$330.99SKU: 25487-HM -
Tube - Square - Fabric - 1.00 x 1.13 x 100 Inch [Built To Order]SKU: 25488-LONG
Click "add/ customize" to add full lengths or to select your custom cut length preferences
Learn More$442.95SKU: 25488-LONG -
Tube - Square - Plain Weave Fabric - High Modulus - 1.00 x 1.13 x 100 Inch [Built To Order]SKU: 25488-HM-LONG
Click "add/ customize" to add full lengths or to select your custom cut length preferences
Learn More$599.99SKU: 25488-HM-LONG -
Tube - Square - Fabric - 1.125 x 1.25 x 66 inchSKU: 25490
Click "add/ customize" to add full lengths or to select your custom cut length preferences
Learn More$239.99SKU: 25490 -
Tube - Square - Fabric - 1.125 x 1.21 x 66 inchSKU: 25489
Click "add/ customize" to add full lengths or to select your custom cut length preferences
Learn More$230.99SKU: 25489 -
Tube - Square - Fiberglass - 1.125 x 1.210 x 66 inchSKU: 25489-FG
Click "add/ customize" to add full lengths or to select your custom cut length preferences
Learn More$230.99SKU: 25489-FG -
Tube - Square - Fabric - 1.25 x 1.38 x 12 inchSKU: 25492-L12
Click "add/ customize" to add full lengths or to select your custom cut length preferences
Learn More$83.84SKU: 25492-L12 -
Tube - Square - Fabric - 1.25 x 1.38 x 66 inchSKU: 25492
Click "add/ customize" to add full lengths or to select your custom cut length preferences
Learn More$264.99SKU: 25492 -
Tube - Square - Fabric - 1.25 x 1.32 x 66 inchSKU: 25491
Click "add/ customize" to add full lengths or to select your custom cut length preferences
Learn More$234.99SKU: 25491 -
Tube - Square - Fabric - 1.25 x 1.38 x 32 inchSKU: 25492-L32
Click "add/ customize" to add full lengths or to select your custom cut length preferences
Learn More$213.59SKU: 25492-L32 -
Tube - Square - Fabric - 1.25 x 1.50 x 66 inchSKU: 25495
Click "add/ customize" to add full lengths or to select your custom cut length preferences
Learn More$622.99SKU: 25495 -
Tube - Square - Fabric - 1.375 x 1.50 x 66 inchSKU: 25494
Click "add/ customize" to add full lengths or to select your custom cut length preferences
Learn More$286.99SKU: 25494 -
Tube - Square - Fabric - 1.50 x 1.63 x 66 inchSKU: 25498
Click "add/ customize" to add full lengths or to select your custom cut length preferences
Learn More$318.99SKU: 25498 -
Built To OrderTube - Square - Fabric - 1.50 x 1.58 x 66 inch [BUILT TO ORDER]SKU: 25497
Click "add/ customize" to add full lengths or to select your custom cut length preferences
Learn More$511.99SKU: 25497 -
Built To OrderTube - Square - Plain Weave - High Modulus - 1.50 x 1.58 x 66 inch [BUILT TO ORDER]SKU: 25497-HM
Click "add/ customize" to add full lengths or to select your custom cut length preferences
Learn More$619.99SKU: 25497-HM