Best Aluminum Tubes for String Lighting Fixtures (2026)
We selected tubes by alloy (6063/6063-T52), square profile dimensions, 0.125" wall commonality, finish, and value for fixture mounting
The Verdict
- Best Overall: 6063 aluminum tube square, mill finish, 1" x 0.125" wall, 36" — Best for balanced runs: 1" square 6063 tube with 0.125" wall for lightweight, stiff fixture supports
- Best Value: 6063 aluminum tube - square, unpolished, 1.25" height, 0.125" wall, 24" length — Best for slightly taller mounts: 1.25" square 6063 tube with 0.125" wall for extra clearance and simple brackets
This page helps buyers choose aluminum tubing suited for string lighting fixtures, focusing on fit, finish, and value for mounting and run-length needs. Picks were chosen by wall thickness, alloy (6063/6063-T52), profile dimensions, and suitability for outdoor fixture runs
Top Picks
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1
Best Overall 6063 aluminum tube square, mill finish, 1" x 0.125" wall, 36"
Best for balanced runs: 1" square 6063 tube with 0.125" wall for lightweight, stiff fixture supports
6063 aluminum square tube with mill finish. smooth surface and good corrosion resistance; precise dimensions and solid value noted by customers
- 6063 alloy with corrosion resistance
- pre-cut 36" length, 1" height
- T52 tempered extrusion
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2
Best Value 6063 aluminum tube - square, unpolished, 1.25" height, 0.125" wall, 24" length
Best for slightly taller mounts: 1.25" square 6063 tube with 0.125" wall for extra clearance and simple brackets
6063 aluminum tube with square cross-section, unpolished finish, extruded and T52 tempered. Delivers corrosion resistance and smooth surface with precise dimensions; suitable for lightweight structure projects. Customers note solid build quality and good value for money
- 6063 alloy with corrosion resistance
- square extruded cross-section
- T52 temper for strength
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3
Aluminum 6063-T52 Square Tubing 1-3/4 x 1-3/4, 1/8 Wall, 24 in
Best for higher-clearance runs: 1.75" 6063-T52 square tubing with 0.125" wall for added standoff and rigidity
6063 aluminum square tubing with ASTM B221 compliance; corrosion resistant and good weldability. Customer note: precise dimensions and solid build for various projects
- 6063 architectural aluminum
- ASTM B221 compliant
- heat treated for increased strength