The SS4403 is a stainless steel door hinge 4x4 designed for commercial and residential doors that require added security. It features square corners, a sturdy 5-knuckle design, and a non-removable pin (NRP) that prevents tampering on outswing doors. This makes it ideal for schools, apartments, offices, and other high-traffic environments.
Made from corrosion-resistant stainless steel, the SS4403 is compatible with standard commercial templates and includes both wood and machine Phillips flat-head screws for easy installation on metal or wood doors. Its durable construction provides long-term performance in interior and exterior applications.
Specifications:
• Size: 4″ × 4″
• Corner Type: Square corner
• Material: Stainless steel
• Pin Type: Non-removable pin (NRP)
• Hinge Design: 5 knuckles
• Gauge: Commercial weight
• Screws Included:
• #12 × 1/2″ machine screws
• #12 × 1-1/4″ wood screws
• Use: Commercial/security applications
• Model: SS4403
• Equivalent To: Hager 1161 NRP, Stanley F179 NRP
Related Products:
• SS4400 – 4x4 Stainless Steel Door Hinge, 1/4″ Radius
• SS4401 – 4x4 Stainless Steel Door Hinge, Square Corner
• SS4402 – 4x4 Stainless Steel Door Hinge, 1/4″ Radius, NRP
• SS4404 – 4x4 Stainless Steel Door Hinge, Square Corner, NRP (Commercial Weight)
• Stainless Steel Hinges Category
SS4403 – Stainless Steel Door Hinge 4x4, Square Corner, NRP
Inches: 4" x 4"
Millimeter: 101.6 x 101.6
