

The Handrail Joiner is a precision-engineered in-line structural connector designed to extend straight sections of architectural tubing with maximum stability and minimal visibility. Engineered for modern modular systems, this heavy-duty tube connector bridges two separate pieces of handrail pipe to create a continuous, unified run. It is an essential component for projects requiring extended, code-compliant handrails along lengthy pathways, ramps, and multi-tier staircases.
Fabricated from premium-grade stainless steel—available in AISI 304, AISI 316, or Duplex SS 2205—this linear joiner delivers outstanding structural integrity and long-term resistance to rust and environmental degradation. Featuring a centered 6mm projection shoulder (H=6 mm), the connector acts as a flush-fitting insert where the matching handrail tubes seat tightly against the shoulder. This ensures a smooth, uniform outer diameter that preserves a streamlined, professional look. These versatile handrail fittings are engineered to accommodate multiple architectural wall thicknesses and tube sizes, including 33.7×2.0mm, 42.4×2.0mm, 42.4×2.6mm, 48.3×2.0mm, 48.3×2.6mm. They can be customized in either a subtle brushed satin or a brilliant mirror-polished finish to ensure absolute visual consistency across your installation.
|
Category |
Part NO. | Ø |
H |
Material |
Surface |
Place of Production |
| Tube Joiners |
A005.33.20 |
33.7x2.0mm |
6mm |
AISI 304,316 or Duplex SS 2205 |
Satin or Mirror polished |
Shandong, China |
|
Tube Joiners |
A005.42.20 |
42.4x2.0mm |
6mm |
|||
|
Tube Joiners |
A005.42.26 |
42.4x2.6mm |
6mm |
|||
|
Tube Joiners |
A005.48.20 |
48.3x2.0mm |
6mm |
|||
|
Tube Joiners |
A005.48.26 |
48.3x2.6mm |
6mm |
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 elbow joiner samples approved
9. Warranty Service: 1 Year
10. After-sales Service: Online Technical Support, Return And Replacement
Q1. What is the primary purpose of an In-Line Handrail Joiner?
A: This component is specifically designed to connect two straight pieces of stainless steel tubing end-to-end, allowing you to extend the length of a handrail system across long sections without compromising structural strength or aesthetic value.
Q2. How are these handrail fittings installed into the pipes?
A: They are designed for quick, clean, weld-free assembly. The male ends of the connector slide directly inside the corresponding handrail tubes until they sit flush against the 6mm center ring. The joint is typically bonded permanently using a high-strength structural industrial adhesive or mechanically locked with a hidden grub screw.
Q3. Is this product suitable for outdoor use near water or coastal zones?
A: Yes. For high-humidity, marine, or exterior industrial applications, we recommend specifying our marine-grade AISI 316 or Duplex SS 2205 stainless steel options with a mirror-polished finish to achieve peak corrosion resistance. For standard interior layouts, AISI 304 stainless steel is the ideal choice.
Q4. Does the connector leave a bulky bump on the outside of the handrail?
A: No. It is a flush-fitting internal insert. The outer diameter of the 6mm center shoulder is engineered to align perfectly with the outer diameter of your railing tubes, delivering a smooth, snag-free surface that feels virtually seamless to the touch.