6-Pack Zinc Steel Round Post Floor Flange – Deck Railing Support

6-Pack Heavy-Duty Zinc Steel Round Post Floor Flange Base Plates

Upgrade your deck, fence, or handrail installation with these 6-pack zinc steel round post floor flange base plates. Engineered for strength and longevity, each flange provides a rock-solid foundation for 48mm round tubes — perfect for deck railings, handrail supports, fence posts, and more. Simple to install and built to last, these post base plates combine function and style for any indoor or outdoor project.

Made in Mainland China.

Key Features

• Heavy-Duty Zinc Steel Construction: Crafted from durable zinc steel, these floor flanges are built to withstand harsh outdoor conditions, resist corrosion, and deliver long-lasting performance.
• Secure & Stable Connection: Designed to securely fasten 48mm round tubes, providing a reliable and wobble-free base for railings, posts, and handrails.
• Quick & Easy Installation: The straightforward mounting design saves you time and effort — no special tools or expertise required.
• Sleek Silver Finish: The clean silver finish enhances the aesthetics of any round post or railing while blending seamlessly with most décor and outdoor settings.
• Wide Application Range: Ideal for deck railings, fence posts, handrail brackets, balcony supports, garden structures, and more.
• Pack of 6: Comes with 6 round tube post base plates, giving you everything you need for a full railing or fence project.

Product Specifications

• Material: Zinc Steel
• Color: Silver
• Dimensions: 10.50 × 7.50 × 3.00 cm / 4.13 × 2.95 × 1.18 in
• Tube Compatibility: 48mm round tubes
• Quantity: 6 x Round Tube Post Base Plates
• Origin: Made in Mainland China

What's in the Box?

• 6 × Round Tube Post Floor Flange Base Plates

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For guidance on safe deck and railing construction practices, refer to the U.S. Consumer Product Safety Commission (CPSC) – Outdoor Home Safety.

Learn more: Mondragon Corporation

Frequently Asked Questions

Q: What size round tube do these floor flange base plates fit?

A: These round post floor flange base plates are specifically designed to fit 48mm round tubes. Please verify your tube diameter before purchasing to ensure compatibility.

Q: Are these post base plates suitable for outdoor use?

A: Yes! The zinc steel construction is designed to withstand outdoor conditions, offering good resistance to corrosion and wear, making them suitable for decks, fences, balconies, and garden structures.

Q: How many flanges come in this pack?

A: This listing includes a convenient pack of 6 round tube post floor flange base plates, giving you enough for a full railing or fence post run without having to purchase multiple sets.

Q: Do I need special tools to install these deck railing brackets?

A: No special tools are required. The installation process is quick and straightforward — simply align the base plate, mark and drill your mounting holes, and secure with appropriate screws or bolts (not included).