Square Opening Perforated Metal
Square Holes may be considered an attractive alternative to round holes in some applications. They are available in a selection of staggered or straight row patterns in a wide variety of hole sizes, gauges, and materials. 
Material:
The most common material types are mild steel, Pre-galvanised mild steel, stainless steel, aluminium, brass, etc. 
Applications:
Square Holes Perforated Metal is used in many applications such balustrade infill, acoustics, security screens, air-condition units, radiator covers, screening, and display units. 
Square Holes Perforated Metal Features:
• Choices of opening sizes/areas 
• Higher ranges of open area than rounds 
• Variety of gauges and materials 
• Diversity of patterns 
• High strength-to-weight ratio 
• Economical 
• Versatility 
• Aesthetic appeal 
• Ventilation of air, light, sound, gases 
• Screening of fluids 
• Pressure equalization or control 
• Safety and security 
• Ease of fabrication