The Round Post Base Plate is a high-performance structural component designed to deliver a clean, stable, and permanent mounting foundation for round handrail posts across residential and commercial balustrade projects. Featuring an integrated upright stem extension (H) connected to an 8 mm thick circular floor disc, this heavy-duty railing base incorporates a 16 mm tall reinforced socket collar with four supportive gussets and two 12 mm pre-drilled mounting holes for rock-solid surface anchoring. The top stem diameter and overall base width (D) are precision-engineered to integrate seamlessly with standard round tubing. Manufactured from premium AISI 304, AISI 316, or Duplex SS 2205 stainless steel grades, these versatile handrail fittings are offered in refined satin brushed or mirror polished finishes to deliver an exceptional balance of structural strength, corrosion resistance, and visual appeal.
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Category |
Part NO. | D | Ø |
H |
Material |
Surface |
Place of Production |
|
Base & Covers
|
C009.42.00 |
105mm |
42.4×2.0mm |
115mm |
AISI 304,316 or Duplex SS 2205 |
Satin or Mirror polished |
Shandong, China |
|
Base & Covers |
C009.42.26 |
105mm |
42.4×2.6mm |
115mm |
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|
Base & Covers |
C009.48.00 |
115mm |
48.3×2.0mm |
115mm |
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|
Base & Covers |
C009.48.26 |
115mm |
48.3×2.6mm |
115mm |
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 base approved
11. Warranty Service: 1 Year
12. After-sales Service: Online Technical Support, Return And Replacement
Q1: What is the main structural feature of a Round Post Base Plate?
A: A Round Post Base Plate features a combined base assembly with an integrated internal/external mounting stem height (H). This design allows post tubes to slide over or join securely with the stem, transferring structural loads smoothly down through the 8 mm thick base plate to the floor or mounting surface.
Q2: What are the primary mounting dimensions for this railing base?
A: According to the technical specifications, the component consists of an 8 mm thick base flange, a 16 mm socket collar reinforced with four structural support gussets, and two 12 mm pre-drilled holes for anchor bolts. The central stem and base outer diameter (D) are precision-machined to fit standard architectural round post systems.
Q3: Which stainless steel material grade and finish option should I select?
A: Material selection depends on your project location and exposure conditions:
AISI 304 (Satin/Mirror): Ideal for climate-controlled indoor staircases, interior walkways, and residential spaces.
AISI 316 (Satin/Mirror): Recommended for outdoor decks, balconies, and public railings exposed to regular weather and humidity.
Duplex SS 2205 (Mirror): Engineered specifically for extreme environments, such as coastal marine installations, beachfront properties, and high-chloride swimming pool enclosures.
Q4: How does this base plate enhance both stability and installation efficiency?
A: The pre-welded stem and gusset-reinforced collar distribute lateral leverage evenly across the 8 mm base disc. This structural reinforcement minimizes post wobble, speeds up site alignment, and provides a clean, round silhouette that can easily be concealed under a matching cover flange.
