The Handrail Tube Adapter is a precision-engineered connector designed to join stainless steel handrail tubes (suitable for 42.4 mm and 48.3 mm post profiles) to walls, support posts, or adjoining tubing sections across architectural railing installations. Engineered to deliver exceptional mechanical stability and a seamless aesthetic, this adapter acts as a heavy-duty standoff distance piece that maintains structural integrity in staircases, balconies, decks, and commercial balustrade systems.
The assembly consists of two primary components: a main cylinder featuring a curved back end engineered to sit flush against round pipe contours, and a stepped internal bushing/insert that fits securely within the cylinder body to house mounting hardware. Featuring a total outer diameter of 25 mm, a main body length of 42.5 mm, an internal insert width of 15 mm, and an 8.5 mm inner bore designed for standard M8 fixing bolts, this versatile fitting ensures precise, wobble-free anchoring. Manufactured from high-grade AISI 304 and AISI 316 stainless steel with fine satin brushed or high-luster mirror polished surface finishes, these essential handrail fittings provide exceptional resistance against corrosion and wear in both indoor and outdoor applications.
|
Category |
Part NO. |
Ø |
Material |
Surface |
Place of Production |
|
Handrail Adaptors |
D003.00.42 |
42.4mm |
Stainless Steel 304 / 316 |
Satin or Mirror polished |
Shandong, China |
|
Handrail Adaptors |
D003.00.48 |
48.3mm |
1. Tube Thickness: 2.0mm or 2.6mm
2. Manufacturing Process: Investment Casting + Precision Machining+Polishing
3. Application Scenario: Hotel, Villa, Apartment, Office Building, Hospital, School, Mall, Sports Venues, Leisure Facilities, Supermarket, Park, Bathroom, Outdoor, Exterior, Entry, Hall, Staircase, Gym
4. Use Place: Bridge Railings / Handrails, Deck Railings / Handrails, Porch Railings / Handrails, Stair Railings / Handrails
5. Installation Location: Flooring
6. Design Style: Contemporary, Modern, European, Craftsman
7. Certificate: ISO9001:2015
8. Engineering Solution Capability: Graphic Design, 3d Model Design, Total Solution For Projects
9. Certificates: Material Certificates, Dimension Inspection Certificate
10. Lead Time : 60days batch production after handrail adapter samples approved
11. Warranty Service: 1 Year
12. After-sales Service: Online Technical Support, Return And Replacement
Q1: What is the main function of a Handrail Tube Adapter?
A: A Handrail Tube Adapter serves as a structural connector or standoff mount that secures round handrail tubing to walls, posts, or other framework elements. Its curved rear profile allows it to mount flush against round structural posts.
Q2: What are the exact structural dimensions of this adapter?
A: Key technical dimensions include:
Outer Diameter: 25 mm
Main Body Length: 42.5 mm
Base/Insert Width: 15 mm
Inner Bore Diameter: 8.5 mm (engineered specifically for standard M8 bolts or screws)
Compatible Tube Diameters: Curved base fits standard 42.4 mm and 48.3 mm round posts.
Q3: Where is this handrail fitting typically used?
A: This adapter is widely specified in commercial and residential railing applications, including interior and exterior stairways, balcony balustrades, deck perimeter barriers, and public walkway guardrails requiring heavy-duty standoff mounts.
Q4: Should I select Stainless Steel 304 or 316 for my application?
A: Material selection depends on the installation environment:
Stainless Steel 304 (Satin/Mirror): Best suited for dry, climate-controlled indoor environments, interior residential staircases, and commercial foyers.
Stainless Steel 316 (Satin/Mirror): Recommended for outdoor decks, walkways, coastal areas, and high-humidity environments requiring enhanced resistance against atmospheric corrosion.
Inquiry Handrail Adapter in your own design, please contact us.
