MCKINNEYFull Mortise-Mount Butt Hinges

MCKINNEY Butt Hinge: Steel, Full Mortise

The MCKINNEY Butt Hinge is a full mortise-mount hinge with a 2 1/4 in leaf width, made of steel and featuring oil-impregnated bearings. It has a non-removable pin and is identified by manufacturer part number…

SKU 3G-OTH-507771

Brand

MCKINNEY

Item

Butt Hinge: Steel, Full Mortise

Technical Specifications

MCKINNEY

Manufacturer Part Number

4-1/2X4-1/2 T4A378626DNRP 

Type

Full Mortise 

Material

Steel 

Leaf Wd

2 1/4 in 

Bearing Type

Oil Impregnated 

Removable Pin

No

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Technical Documents

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MCKINNEY Products

3G Electric (S) Pte. Ltd. — Singapore

Product Description

Frequently Asked Questions

What is the MCKINNEY Butt Hinge used for?

The MCKINNEY Butt Hinge is used for mounting doors in commercial and industrial settings. Its full mortise design and steel construction provide durable support for heavy doors, while the oil-impregnated bearings ensure smooth, quiet operation over time.

What are the specifications of the MCKINNEY Butt Hinge?

This MCKINNEY Butt Hinge has a 2 1/4 in leaf width, is made of steel, and features oil-impregnated bearings. It is a full mortise-mount type with a non-removable pin. The manufacturer part number is 4-1/2X4-1/2 T4A378626DNRP.

Where to buy the MCKINNEY Butt Hinge worldwide?

3G Electric supplies the MCKINNEY Butt Hinge worldwide. As a global industrial solutions provider, we handle full logistics and customs clearance to deliver this hinge to your facility. Contact us for availability and lead time on this steel full mortise hinge.

How to install a full mortise butt hinge?

To install a full mortise butt hinge like the MCKINNEY, cut a recess (mortise) into the door edge and frame to match the leaf dimensions. Secure the hinge with screws, ensuring the pin is aligned vertically. Use a level to check for plumb before final tightening.

Used in

Common applications for MCKINNEY

Commercial building door control — MCKINNEY gate springs (e.g., 451 D4) for automatic door closing in office corridors

Industrial facility access — MCKINNEY gate springs (e.g., 452 D4) for heavy-duty gate closing in warehouse environments

Security system integration — MCKINNEY MCK-EPT power transfer unit for wiring door alarms in institutional buildings

Retrofit door hardware — MCKINNEY gate springs (e.g., 453 D4) for replacing worn springs in existing door assemblies

Low-voltage access control — MCKINNEY MCK-EPT power transfer unit for electric strike wiring in commercial entryways

MCKINNEY 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.

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