A 4-inch Mirror Polish finish concealed ball-bearing hinge. Built to outlast standard mild-steel alternatives in humid, coastal and high-use environments.

Key Specifications

• Material: 304-grade stainless steel — rust-proof, corrosion-resistant, salt-air safe
• Finish: Mirror Polish — a brilliant, reflective surface that stays sharp-looking for years
• Size: 4 inch
• Standard: Meets Indian IS and US ANSI specifications
• Bearing: Ball-bearing pivot — smooth, silent, sag-resistant
• Security: NRP — hinge cannot be removed from outside
• Throw: Wide-throw expandable

Ideal For

Security doors, fire-rated doors and wide-opening applications.

Not Recommended For

Standard lightweight cabinet doors.

Why SSISKCON?

• Direct from manufacturer — no distributor markup, factory-direct pricing
• Amazon US verified seller since 2017 — same product ships to USA and India
• 1-year warranty against manufacturing defects
• Export quality — every batch inspected before dispatch