The Stainless Steel Domed End Cap is a stylish and protective hardware component designed to cover the open ends of stainless steel pipes or tubes. Engineered specifically for integration into professional railing systems, handrails, and diverse architectural or industrial frameworks, this premium stainless steel end cap serves as a vital finishing touch. Its convex design features a smooth and polished domed top profile (Height H) that blends effortlessly with both modern minimalist and classic design aesthetics. Functionally, it caps off vulnerable openings to protect the overall handrail infrastructure from dust and moisture accumulation while ensuring pedestrian safety by smoothing away sharp cut metal edges.
To accommodate different environmental demands and architectural requirements, these architectural handrail fittings are manufactured from high-quality stainless steel options, including AISI 304, AISI 316, or Duplex SS 2205. The underlying structure is precision-sized to align perfectly with industry-standard tube outer diameters of 33.7 mm, 42.4 mm, and 48.3 mm, supporting multiple internal tube wall thicknesses of 2.0 mm and 2.6 mm. Depending on the desired visual identity of the project, users can select between a matte, subtle satin finish or a highly reflective, glossy mirror polished finish—ensuring exceptional versatility, lasting durability, and premium corrosion resistance across any indoor or outdoor installation.
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Category |
Part NO. | Ø |
H |
Material |
Surface |
Place of Production |
|
End Caps
|
B005.33.20 |
33.7×2.0mm |
6mm |
AISI 304,316 or Duplex SS 2205 |
Satin or Mirror polished |
Shandong, China |
|
End Caps |
B005.42.20 |
42.4×2.0mm |
9mm |
|||
|
End Caps |
B005.42.26 |
42.4×2.6mm |
9mm |
|||
|
End Caps |
B005.48.20 |
48.3×2.0mm |
10mm |
|||
|
End Caps |
B005.48.26 |
48.3×2.6mm |
10mm |
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 end cap samples approved
9. Warranty Service: 1 Year
10. After-sales Service: Online Technical Support, Return And Replacement
Q1: What is the main design advantage of a Stainless Steel Domed End Cap?
A: The Stainless Steel Domed End Cap features a rounded, convex surface that creates a smooth and polished appearance. This shape is highly versatile, softening the geometric profile of handrail frameworks to easily match both contemporary modern and classic decorative themes while optimizing user grip safety at the terminal ends of the railing.
Q2: How do I know which stainless steel material grade to select for my railing system?
A: Material selection should be based on the environmental exposure and the required level of corrosion resistance:
AISI 304: Tailored for standard interior architectural applications, residential indoor handrails, and dry commercial structures.
AISI 316: Highly recommended for outdoor balustrades, municipal installations, and areas subject to regular weathering or high humidity.
Duplex SS 2205: Engineered for maximum durability in severe conditions, such as industrial process facilities, coastal structures, or marine environments facing heavy saltwater exposure.
Q3: What specific tube wall thicknesses and diameters are compatible with these end caps?
A: These premium handrail fittings are precision-machined to fit standard architectural tube outer diameters (Ø) of 33.7 mm, 42.4 mm, and 48.3 mm. They are designed to accommodate multiple pipe schedules, specifically matching wall thicknesses of 2.0 mm and 2.6 mm. Please verify both the outer diameter and wall thickness of your structural tubing prior to purchasing.
Q4: Is welding required to mount this stainless steel end cap?
A: No welding is necessary. The cap features an internal insertion sleeve that slides straight into a square, clean-cut tube opening to form a tight flush mechanical fit against the rim. For a permanent, stable hold, the cap can be tapped securely into place using a soft-faced rubber mallet. In heavy-duty commercial installations, a high-strength structural metal adhesive can also be applied to the insert sleeve for an airtight lock.
