Concealed 8 Wire Electric Thru-Wire Hinge, 5 In By 4-1/2 In, Five Knuckle Ball Bearing Architectural Door Hinge, Steel Full Mortise, Heavy Duty, Satin Chrome Finish, Square Corner Built Tough for Smooth, Easy Operation

Concealed 8-Wire Ball Bearing Door Hinge, 5x4.5 in, Satin Chrome
✔️ Single hinge: 5x4-1/2 in steel full mortise, 8-wire bearing

This heavy-duty concealed hinge is designed for architectural doors, featuring a hidden thru-wire channel and robust ball-bearing action for smooth operation in commercial and residential installations.

✅ 5 in x 4-1/2 in (127 mm x 114 mm) full mortise steel hinge
✅ Through-wire concealed conductor system for clean wiring integration
✅ Heavy-duty ball bearing provides smooth, quiet operation
✅ Five-knuckle, square corner design for durable mounting
✅ Satin chrome finish for a modern architectural look

💡 What is a concealed wiring door hinge used for in modern doors? This handy component keeps wiring hidden and supports smooth operation for architectural settings.

• Concealed wiring helps with clean aesthetics and safer wiring routing
• Ball bearing hinges reduce friction and extend door life
• Ideal for square-corner mortise installations on heavy doors
• Finish matches satin chrome for seamless integration