Product Feature

– Reinforced Strength: High-durability frame shear plate with specially bent locking slots for enhanced locking stability.

– Superior Sealing Performance: Sharp-tipped pins combined with open-mouthed slots create gradual, sequential pressure to pull the sash tightly into the frame when locking.

– Espagnolette Protection: Ground design on the fixed blade minimizes friction and protects the caterpillar joint.

– Wind Safety Mechanism: Built-in transom wind safety prevents damage from sudden gusts.

– Secure Assembly: Plastic clip ensures the espagnolette remains securely in place during installation.

– Heavy-Duty Support: 4 mm thick steel hinge connection provides maximum durability for heavy sash applications.