Square Tube Fittings

Geometric square stainless steel tube fittings, elbows, flush connectors, and end caps. Precision-engineered in 304/316 for modern minimalist balustrades.

Our professional-grade Square Tube Fittings comply with international building code requirements for public safety railings. Suitable for new construction, renovation, and retrofitting projects, these components deliver stable structural performance, corrosion resistance, and consistent installation tolerance for high-end residential balconies, commercial terraces, hotel swimming pool fences, and coastal marine architecture.

  • Our square flush elbows, sleeves, and end caps are precision-engineered to fit standard 16-gauge (1.5mm) and 14-gauge (2.0mm) structural square stainless steel tubing (standard sizes: 40x40mm, 50x50mm, and 1.5"x1.5") with internal friction ribs providing tight mechanical alignment.

  • Miter elbows feature a clean 45-degree diagonal joint line flush with square tubes, popular in minimalist modern balustrades. Cubic block elbows present a solid geometric box aesthetic at corner intersections, offering substantial rigidity for handrail transitions.

  • Straight sleeve connectors feature precision-cast external friction ribs. When tapped into the square tube with structural bonding adhesive, the raised ribs bite against the inner walls, providing high tensile joint retention without visible exterior welds.

  • Adjustable square elbows incorporate an integrated pivot hinge and clamping bolt that locks the joint solidly at any angle between 90° and 180°, allowing square handrail runs to transition smoothly from flat landings to stair slopes.

  • Square flat end caps utilize a multi-finned press-fit base collar. Driven into the tube end using a mallet, they create a permanent, watertight friction seal that protects internal tube cavity walls against moisture accumulation.

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  1. whatsapp:+8613536681776
  2. Mobile/WeChat: +86-13536681776
  3. Zalo:+84 0976084399
  4. Email: sales@sanonsteel.com
  5. Address: No. 4 Factory, Kebao East Road, Zone A, Shishan Science And Technology Industrial Park, Foshan, Guangdong, China
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