Heavy-Duty Galvanized Flange Base for 1-1/4″ Pipe
$8.02 on Amazon.com (as of October 20, 2026, 10:10 AM EST) View details ↗
A Sumsoctober galvanized flange base designed for high-performance structural applications, this durable ductile iron base ensures long-lasting stability for railing installations. Built to withstand demanding outdoor conditions, it features a robust electro-galvanized coating that resists corrosion, rust, and weathering, making it ideal for decks, porches, stairs, and patios. The precision-engineered design includes pre-drilled 5/16″ bolt holes, ensuring quick and secure mounting to concrete or wood subfloors without wobble.
Crafted from high-grade ductile iron, this flange base delivers exceptional load-bearing capacity, making it perfect for securing handrails, guardrails, and fence posts. Its 1-1/4″ nominal pipe compatibility (outer diameter 1.660″) guarantees a tight, wobble-free fit, while the reinforced base thickness enhances stability and safety. Whether you're reinforcing a residential staircase or a commercial walkway, this flange base provides the strength and reliability needed for long-term structural integrity.
| Material | Ductile iron |
|---|---|
| Pipe Compatibility | 1-1/4″ nominal (1.660″ OD) |
| Hole Size | 5/16″ |
| Coating | Electro-galvanized |
| Load Capacity | High-strength structural support |
| Weight | ~12 lbs (approximate) |






