The 1591EH Mild Steel Stormproof Hinges are a reinforced version of the standard stormproof model, featuring extra screw holes for greater load distribution and increased holding power. Ideal for external casement windows, these hinges are designed to perform in demanding weather conditions while maintaining reliable, long-term function.

Constructed from durable mild steel, they offer excellent structural strength and a fixed pin mechanism to ensure consistent alignment over time. The additional holes allow for secure fixing to both frame and sash, reducing the risk of movement or loosening—especially useful in high-wind or high-use installations.

Perfect for residential and light commercial use, the 1591EH hinge supports weatherproof performance and smooth operation, making it a dependable solution for stormproof or rebated window frames.