The Q-railing® Square Line 90 Degree Top Post Bracket to Flat Material is a precision-engineered connector designed to securely join square profile handrails to square profile baluster posts at a 90-degree angle. Ideal for both indoor and outdoor railing applications, this bracket creates a clean and professional connection while maintaining the modern architectural appearance of Square Line railing systems.
Sold by: Each
Brand: Q-railing®
Finish: Brushed Stainless Steel #4
Product Type: Top Post Bracket
Style: 90 Degree Corner Bracket
Material: 316 Grade Stainless Steel
Use: Tube Material 90 Degree Top Post
Mount: Flat to Flat Railing Tube
Shape: Saddle for Flat Tubing
Application: Square Profile Handrails and Baluster Posts
Function: Connects Square Handrails to Square Baluster Posts at 90 Degrees
Features: Saddle Design; Precision-Fit Construction; Modular System Compatibility
Benefits: Creates Clean Corner Connections; Corrosion Resistant; Modern Architectural Appearance
Recommended Use: Indoor and Outdoor Railing and Balustrade Applications
Type: Indoor/Outdoor
Part Number: QR-139
Constructed from premium 316 grade stainless steel, this bracket offers exceptional corrosion resistance and long-term durability in both interior and exterior environments. The brushed stainless steel #4 finish complements contemporary railing installations while providing a refined appearance that coordinates seamlessly with other Square Line components.
Featuring a saddle design for flat tubing, this bracket is engineered for flat-to-flat railing tube connections and is specifically designed for use with square profile handrails and baluster posts. Its precision construction provides a secure attachment point while preserving the sharp lines and clean geometry that define modern railing designs.
As part of the modular Q-railing® system, this bracket can be integrated with compatible Q-railing® components to create customized railing configurations. Ideal for residential, commercial, and architectural projects, it provides both structural reliability and contemporary design flexibility.
