YIDU69Q 8 Pcs 1in Square Post Flange Base – 1 Way with Plate for Fence Deck Rail

Product snapshot

Discover the YIDU69Q eight-pack of 1 in square post flange bases, engineered to support outdoor framing with steady confidence. Each piece seats neatly on standard 1 in by 1 in square tubes, delivering a clean, dependable junction at every corner for fence sections and deck rail projects.

Key features at a glance

• Fit with tube size: 1 in by 1 in, ideal for square tube projects
• Low carbon steel with a durable powder coating for a smooth, weather-ready finish
• Base plate thickness: 1/8 inch; wall thickness: 1/16 inch for a sturdy baseline
• Prepunched holes available in two types: for screw size 12 and for bolt 3/8 inch
• Package includes eight 1 inch square post flange bases

Real-world benefits and use cases

These flange bases are built to support outdoor structures such as fences, garden rails, and deck edges. The powder coated finish adds a refined, low-gloss look while helping resist the elements. The steel core provides a solid feel and predictable performance in everyday builds. While results can vary by project, the combination of precise dimensions and versatile mounting options opens up a range of setup possibilities.

• Durable framing options for outdoor decks, fences, and railing systems
• Versatile mounting thanks to two hole types for screws and bolts
• Low-maintenance finish designed to withstand seasonal weather shifts

Installation guidance

Prepare your square tubing and base surfaces, align the prepunched holes, and secure with appropriate fasteners for a stable, flush connection. The dual hole options simplify planning and help you achieve a clean, secure fit across different projects.

What’s in the box

Eight flange bases come ready for your project, reducing the need to source additional components. Their standardized dimensions and hole types are designed to align with common square tube fittings for straightforward assemblies.