Deltana DSB4540B 4-1/2" x 4" x Square Hinges (Pair), Ball Bearing, Solid Brass

The DSB4540B measures 4-1/2 inches by 4 inches, so the leaf height matches a standard 4-1/2 inch mortise but the open width is 4 inches rather than the more common 4-1/2 by 4-1/2. On a door already prepped for a 4-1/2 x 4-1/2 hinge the mortise height lines up, but the leaves are narrower, which changes screw hole spacing across the leaf. It is a full mortise hinge with square corners, so the mortise has to be square cut, not radius cut.

The DSB4540B has square corners. Square corner hinges go into mortises cut with a chisel or a square-cut router template, which is typical of solid wood doors mortised by hand. If your existing hinges have rounded corners, a radius hinge like the Orca Hardware 4014 Series at 1/4 inch radius or the Delaney 4" x 4" exterior residential hinge with a 5/8 inch radius will drop into that pocket without recutting.

Deltana lists the DSB4540B as residential. For an office, school, or apartment corridor door taking constant traffic, step up to a commercial ball bearing hinge such as the Orca Hardware 3535 Series 4-1/2 x 4-1/2 square corner ball bearing hinge, or a heavy weight unit like the Don-Jo HWBB84545 in 4-1/2 x 4-1/2.

Not without extra measures. The DSB4540B does not have a non-removable pin, so on an outswing door the hinge pins are accessible from the exterior and can be driven out. For that opening use an NRP hinge such as the Hager BB1168 NRP full mortise ball bearing hinge, or add security studs.

The DSB4540B is a residential-rated solid brass ball bearing hinge. For a heavier opening, the Don-Jo HWBB74545 is a heavy weight full mortise ball bearing hinge at 4-1/2 inch by 4-1/2 inch in satin chrome, and the Don-Jo HWBB85045 is a heavy weight brass ball bearing hinge at 5 inch by 4-1/2 inch. Hager BB1168 is a heavy duty full mortise ball bearing hinge supplied with a non-removable pin, which the Deltana does not use.

Several hinges in the same size range serve different purposes. The Command Access ETH-BB68 and ETH-CB70 are energy transfer hinges that carry power through the door for electrified locks. The Stanley CECB1900R54L is a 4-1/2 inch by 4-1/2 inch square corner concealed conductor hinge supplied left-handed with 4 wires. The Stanley 2060R is a 4-1/2 inch by 4-1/2 inch full mortise spring hinge that closes the door on its own. The Deltana DSB4540B is a plain mechanical ball bearing hinge with no electrical or spring function.

The DSB4540B is supplied without a non-removable pin, so on an out-swinging door with exposed hinges the pin is accessible. Where that matters, the Hager BB1168 is a non-removable pin full mortise ball bearing heavy duty hinge. For detention-level openings, the BEST BB855 is a heavy-duty steel double weight concealed ball bearing prison hinge and the Hager 990 STEEL is a 3 inch by 4 inch full surface prison hinge with a welded tip.

Ball bearings sit between the knuckles and carry the load on a rolling surface instead of metal rubbing on metal, so a heavy or frequently used door swings smoother and the knuckles do not wear oval and start to squeak. The DSB4540B is a ball bearing hinge. Plain bearing units, like the Emtek 91013 residential hinge or the Schlage Residential S3P1010, are fine on light hollow core interior doors but will not hold up as well under a solid slab or a closer.

Solid brass, both material and substrate. That matters on exterior and coastal openings where a plated steel hinge will eventually rust through the plating at the screw holes. It ships in a Brushed Brass finish.

No handing to specify. The DSB4540B is a standard full mortise butt hinge with a removable pin, so the same pair works on a left or right hand door, and the pin can be pulled to take the door down. Handed ordering applies to specialty units like electrified hinges, for example the Stanley Security CECB1900R54L which is specified left-handed.

No. The DSB4540B is a plain mechanical butt hinge with no wire pathway. To transfer power through the hinge you need an electrified unit such as the Command Access ETH-BB68 energy transfer hinge, or the BEST CECB179-12C full mortise concealed bearing electrified hinge with a 12-wire quick connect. If you also want door position monitoring, the Command Access ETM-BB68 adds an integrated door position switch.

The Orca Hardware 3535 Series is a 4-1/2 x 4-1/2 square corner ball bearing commercial hinge, medium duty. If the door is heavier, the Don-Jo HWBB74545 and HWBB84545 are both heavy weight full mortise ball bearing hinges in 4-1/2 x 4-1/2. Those are steel-based commercial units rather than the solid brass Deltana, so the finish appearance will differ.

The DSB4540B carries its ball bearings in visible races between the knuckles of a five-knuckle style barrel. The Ives 3CB1 is a 3-knuckle concealed bearing full mortise hinge rated medium duty, and the 3CB1HW is the heavy weight concealed bearing version with 3 knuckles. Hager 920 is a 2-knuckle full mortise concealed plain bearing hinge, medium duty. Concealed bearing hinges hide the bearing inside the knuckle for a cleaner barrel line.

Both are sold as pairs with square corners. The Deltana DSB4540B is 4-1/2 inch by 4 inch in solid brass with ball bearings. The Emtek 94013 is a heavy duty ball bearing pair at 3-1/2 inch by 3-1/2 inch in plated steel. The choice comes down to leaf size against the existing mortise and whether you want solid brass or plated steel through the knuckle.

No, it is a standard ball bearing butt hinge with no spring. For a door that has to close itself, use a spring hinge such as the Stanley Security 2060R full mortise spring hinge in 4-1/2 x 4-1/2 square corner, which mortises the same way.