

50.8mm
The Tube Joiner 90° is a high-grade stainless steel fitting engineered to connect two sections of slotted handrail tubing at a fixed 90-degree angle. This essential component of modern handrail fittings is designed to provide a seamless transition in architectural structures, typically used to join vertical stair sections to horizontal landings.
Precisely shaped to fit within the internal slots of U-profile tubes, these Slotted Tube Railing Fittings ensure a secure, flush fit that prevents any rotation or movement of the handrail. Manufactured from premium AISI 304 or AISI 316 stainless steel, this 90-degree joiner is ideal for glass railing systems where the cap rail must run along the vertical edge of a glass panel and turn horizontally. The “flush” design slides directly into 50.8mm (2-inch) diameter tubing, offering a sleek, continuous aesthetic without visible hardware.
|
Category |
Part NO. |
Fit for Tube
(mm) |
A (mm) |
Ø1 (mm) |
Material |
Surface |
Place of Production |
|
Slotted Tube Fittings |
SL100450 |
Ø50.8 x 1.5
|
3 |
50.8 |
Stainless Steel 304 / 316 |
Satin or Mirror polished |
Shandong, China |
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 tube joiner samples approved
9. Warranty Service: 1 Year
10. After-sales Service: Online Technical Support, Return And Replacement
Q1. What is the primary use of a 90-degree Slotted Tube Joiner?
A: The Tube Joiner 90° is specifically designed to create sharp vertical corners in railing systems. It is most commonly used to transition a handrail from a vertical incline (like a staircase) to a horizontal level (like a landing or balcony).
Q2. How does the joiner stay secure inside the tubing?
A: These fittings are designed to fit precisely within the internal slots of the tubing to prevent rotation. For a permanent installation, they are often secured using specialized industrial adhesives or gaskets to ensure the structural integrity and safety of the railing.
Q3. Is this fitting suitable for outdoor coastal environments?
A:Yes, provided you select the correct material grade. We offer these joiners in AISI 316 stainless steel, which is specifically designed for exterior and coastal applications due to its superior corrosion resistance. For standard interior projects, AISI 304 stainless steel is the recommended choice.
Q4. What tubing size is this joiner compatible with?
A: This specific fitting is designed for slotted tubing with a 50.8mm (2-inch) diameter. Its flush-fit design ensures that the outer diameter of the joiner matches the tubing perfectly for a seamless transition.
Q5. What finishes are available to match my railing?
A: To suit your architectural design, the Tube Joiner 90° is available in both Satin Polished (brushed) and Mirror Polished (high-gloss) finishes.
Inquiry Stainless Steel Slotted Tube Fittings for Handrail in Other Sizes, please contact us.