MCKINNEY Butt Hinge: Steel, Full Mortise
The MCKINNEY Butt Hinge is a full mortise-mount hinge with a 1 11/16 in leaf width, made of steel with a plain bearing type (MPN 55521). This product is available through 3G Electric, which interprets customer demand…
SKU 3G-OTH-507638
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Product Description
The MCKINNEY Butt Hinge is a full mortise-mount hinge with a 1 11/16 in leaf width, made of steel with a plain bearing type (MPN 55521). This product is available through 3G Electric, which interprets customer demand and delivers genuine industrial equipment across 14 departments—including hardware—with specialist depth in combustion, pumps, and controls as an authorized distributor.
Frequently Asked Questions
What is the MCKINNEY Butt Hinge used for?
The MCKINNEY Butt Hinge is used for mounting doors in industrial and commercial settings. Its full mortise design and steel construction provide durable support for heavy-duty applications, such as in warehouses, factories, and institutional buildings.
What are the specifications of the MCKINNEY Butt Hinge 55521?
The MCKINNEY Butt Hinge 55521 is a full mortise-mount hinge with a leaf width of 1 11/16 in, made of steel, and features a plain bearing type. It is designed for reliable door operation in demanding environments.
Where to buy the MCKINNEY Butt Hinge worldwide?
3G Electric supplies the MCKINNEY Butt Hinge worldwide, handling full logistics and customs clearance. As a global industrial solutions provider, we source and deliver genuine MCKINNEY hardware to support your facility needs across 14 departments.
How to install a full mortise butt hinge?
To install a full mortise butt hinge like the MCKINNEY 55521, cut a recess (mortise) into the door edge and frame to match the leaf dimensions. Align the hinge, secure with screws, and ensure the door swings freely. Follow standard door hardware best practices for alignment.
Used in
Common applications for MCKINNEYMCKINNEY Products
3G Electric supplies MCKINNEY full mortise-mount butt hinges. We supply genuine products with in-stock availability on common SKUs, technical documentation, commissioning support, and warranty service — worldwide.









