The Square Tube Rail Converter is a high-performance architectural fitting designed to adapt 38.1mm or 50.8mm square tube profiles to a variety of railing systems and connections. This essential square rail converter facilitates seamless transitions between different tube shapes—most notably connecting square profiles to round tubes—while also enabling clean directional changes at corners or junctions. Constructed from premium Grade 304 or 316 stainless steel, these square tube handrail fittings offer exceptional durability and resistance to rust and corrosion, making them ideal for both sophisticated indoor interiors and demanding outdoor environments. The component features a specialized self-grip “knock-in” design that allows for secure, weld-free installation, providing a professional mounting point with a high-end satin or mirror-polished finish.
|
Category |
Part NO. |
Fit for Tube
(mm) |
A (mm) |
B (mm) |
□ (mm) |
Material |
Surface |
Place of Production |
|
Square Line |
ST1238
|
38.1 x 38.1 x 1.5
|
52 | 3 | 38.1 |
Stainless Steel 304 / 316 |
Satin or Mirror polished |
Shandong, China |
|
Square Line |
ST1250 |
50.8 x 50.8 x 1.5
|
55 | 3 | 50.8 |
1. Manufacturing Process: Investment Casting + Precision Machining+Polishing
2. Application Scenario: Hotel, Villa, Apartment, Office Building, Hospital, School, Mall, Sports Venues, Leisure Facilities, Supermarket, Park, Bathroom, Outdoor, Exterior, Entry, Hall, Staircase, Gym
3. Use Place: Bridge Railings / Handrails, Deck Railings / Handrails, Porch Railings / Handrails, Stair Railings / Handrails
4. Design Style: Contemporary, Modern, European, Craftsman
5. Certificate: ISO9001:2015
6. Engineering Solution Capability: Graphic Design, 3d Model Design, Total Solution For Projects
7. Certificates: Material Certificates, Dimension Inspection Certificate
8. Lead Time : 60days batch production after rail converter samples approved
9. Warranty Service: 1 Year
10. After-sales Service: Online Technical Support, Return And Replacement
Q1. What is the primary function of a Square Tube Rail Converter?
A: It is used to adapt square handrail profiles to other connection types, such as transitioning from a square tube to a round tube or connecting a square tube to a wall, base, or specialized fitting.
Q2. What tube sizes is this converter compatible with?
A: This fitting is specifically engineered for two standard square tube sizes: 38.1mm x 38.1mm x 1.5mm and 50.8mm x 50.8mm x 1.5mm.
Q3. Does installation require professional welding?
A: No. These converters utilize a self-grip "knock-in" design, which enables easy and secure installation without the need for on-site welding, preserving the clean aesthetic of the stainless steel.
Q4. What do the technical measurements 'A' and 'B' represent?
A: According to the technical specifications, Dimension A refers to the overall height or length of the converter (52mm or 55mm depending on the model), and Dimension B indicates the thickness of the external flange (3mm).
Q5. Is this product suitable for coastal or high-moisture environments?
A: Yes. For outdoor or coastal applications, the Grade 316 stainless steel version is highly recommended due to its superior corrosion and rust resistance. Grade 304 is available for standard indoor projects.
Q6. What finishes are available for these fittings?
A: To match your specific handrail aesthetic, the converters are available in two professional finishes: a brushed (satin) finish for a modern, matte look or a polished (mirror) finish for a high-gloss, reflective surface.
