McKinney 1400 Series 3-1/2 x 3-1/2 Five-Knuckle Full Mortise Plain Bearing Butt Hinge

The McKinney 1400 (Part Number 1400-MCK) is a full mortise, five-knuckle, plain bearing butt hinge designed for residential weight and light-commercial interior door applications. Built by McKinney — a trusted name in commercial and residential door hardware — this hinge installs flush into mortised cutouts on both the door edge and frame, delivering a clean, traditional appearance with reliable pivot action. The five-knuckle barrel design provides a classic profile, and the hinge is field reversible, allowing it to be installed for either hand without special tools or additional hardware.

Institutional Grade Features & Benefits

• Full Mortise Installation: Designed to recess fully into the door edge and frame, producing a flush, professional finish consistent with industry-standard door prep.
• Five-Knuckle Barrel: The five-knuckle configuration offers a classic architectural appearance well-suited to residential and light-commercial interior doors.
• Plain Bearing Construction: Smooth, low-friction pivot action appropriate for residential weight doors used in standard interior applications.
• Field Reversible: Can be installed for either hand without modification, reducing inventory requirements and simplifying the installation process for contractors and installers.
• Residential Weight Rating: Engineered for light interior residential and light-commercial door applications where heavy-duty or institutional load ratings are not required.
• 3-1/2 x 3-1/2 Inch Leaf Size: A widely used standard dimension compatible with common residential and light-commercial door preparations.
• McKinney Quality: Manufactured by McKinney, a recognized brand in the door hardware industry known for consistent quality across butt hinge product lines.

Technical Details