20mm x 20mm x 3mm - Internal is 14mm x 14mm. Aluminium Box Section. i.e a 1000mm long bar would yield 10 equal pieces @ approx 95mm long not 100mm long. This doesn't apply to sheet 6mm or under and this is always cut with a guillotine.
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Rectangular 6063 Aluminum Alloy Square Tube Pipe Aluminium Tubes
Aliexpress UK
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20/25/30mm Square Tube Connectors Galvanized Aluminum Alloy Square Tube Connector Tee Fasteners
Aliexpress UK
13mm to 45mm lengths from 1000mm to 2500mm. SIZES AVAILABLE : 13mm to 45mm. ALUMINIUM IS PRODUCED TO BS EN 755-9. STANDARD MANUFACTURERS TOLERANCES APPLY. The first 2 cuts are free (tolerance is + or - 2mm), any further cutting may incur a minimal fee.
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20/25/30mm Square Tube Connectors Galvanized Aluminum Alloy Square Tube Connector Tee Fasteners
Aliexpress UK
LENGTHS AVAILABLE: 100mm to 1000mm. A = 65mm x T = 1.4mm. A = 100mm x T = 2mm. A = 100mm x T = 2mm external corners have radius. A = 100mm x T = 3mm. A = 60mm x T = 2mm. SIZES AVAILABLE : 30mm to. A = 40mm x T = 2mm.
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8x10x12x15x20x25x30x35x38 Rectangular aluminum tube profile 6063 Aluminum alloy square pipe
Aliexpress UK
Premium Aluminium Square Box Tubes. Manufactured from high-quality 6063-T6 aluminium, these square tubes combine strength, lightness, and corrosion resistance for a wide variety of applications. ✅ Mill Finish: Raw aluminium surface for custom finishing (paint, powder coat, etc.).
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10x10mm 20x20mm 30x40mm Rectangular aluminum tube profile Aluminum alloy square pipe Complete
Aliexpress UK
Aluminium Square Tube Mill Finish. Lengths: 100mm 250mm 500mm 750mm 900mm 1000mm 1250mm 1500mm 2000mm 2500mm. Flat Bar, Box & U Channel. Corex Sheet. Aluminium sheet and tread plate, stainless steel sheet, galvanised sheet and zintec sheet in various thickness's.
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30x30 Aluminum alloy square tube profile Aluminum alloy rectangular pipe Aircraft model skeleton
Aliexpress UK
SIZES AVAILABLE : 30mm to 150mm. A = 150mm x T = 3mm. A = 65mm x T = 1.4mm. A = 100mm x T = 2mm. A = 100mm x T = 3mm. A = 60mm x T = 2mm. A = 40mm x T = 2mm. A = 30mm x T = 2mm.
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OD 30x30mm Square Tube Connection Piece Aluminum Alloy Elbow Three-way Square Pipe Fixed Joint
Aliexpress UK
Aluminium Square Tube (Box) 1/2", 5/8", 3/4", 1", - 16 & 10 SWG 50mm to 600mm long. 1/2" (12.7mm) x 16 SWG (1.62mm). 5/8" (15.88mm) x 16 SWG (1.62mm). 3/4" (19.05mm) x 16 SWG (1.62mm). 3/4" (19.05mm) x 10 SWG (3.21mm).
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OD 30x30mm Square Tube Connection Piece Aluminum Alloy Elbow Three-way Square Pipe Fixed Joint
Aliexpress UK