Deltana DSB35R4 3-1/2" x 3-1/2" x 1/4" Radius Hinges, Residential (Pair)

Yes. The DSB35R4 is a 3-1/2 x 3-1/2 inch hinge with 1/4 inch radius corners, so it drops into a standard 1/4 inch radius mortise cut by a router template. If your existing mortises have sharp square corners chiselled by hand, a radius hinge will leave a small gap at each corner; you would want a square corner hinge instead. Note that Deltana's own spec attributes describe the corner style as square while the model designation and description call out the 1/4 radius, so check the corner profile of one existing hinge before you order a full house worth.

No. The DSB35R4 is rated residential and uses a plain bearing, which is meant for interior passage and bedroom doors in a home. On an office entry, a corridor door, or anything with a closer on it, the plain bearing wears and the door starts to sag. For commercial traffic look at a ball bearing or concealed bearing hinge such as the Ives 3CB1 3-knuckle concealed bearing full mortise hinge or the Orca Hardware 3514 Series 3.5 x 3.5 x 1/4 radius plain bearing commercial hinge if you need to keep the same size and radius.

It can be. The DSB35R4 does not have a non-removable pin, so on an outswing exterior door the hinge knuckles face outside and the pin can be tapped out. For an outswing entry you want an NRP hinge, such as the Hager BB1168 non-removable pin full mortise ball bearing hinge, or a security stud. On an inswing door with the barrel on the protected side, the removable pin is not an exposure and it makes taking the door down for painting much easier.

The Deltana DSB35R4 is a residential-duty plain bearing hinge with a 1/4 inch radius corner in 3-1/2 inch by 3-1/2 inch. For the same corner radius and bearing type in a commercial hinge, the Orca Hardware 3514 Series is a 3.5 inch by 3.5 inch 1/4 inch radius corner plain bearing commercial hinge rated medium duty, so it drops into the same mortise without re-routing. If the opening is being upsized, the Orca 4014 Series is the same 1/4 inch radius plain bearing hinge in 4 inch by 4 inch.

Wood screws are specified as #10 x 1 inch, which is what these ship with for mounting into a wood door and wood jamb. No machine screws are supplied, so if you are hanging onto a hollow metal frame these are the wrong fastener set and the wrong hinge, since this is a residential-duty product. A #10 x 1 screw bites the door stile but does not reach framing behind the jamb, so on an exterior door many installers swap one screw per leaf for a 3 inch screw into the stud.

No. These are full mortise butt hinges with a standard removable pin, so the same hinge works on a left hand or right hand door. You just flip it. The pin is not a non-removable type, which means it can be driven out from the bottom to lift the door off without unscrewing anything.

Eight finishes: Polished Brass, Antique Brass, Brushed Brass, Polished Chrome, Brushed Nickel, Antique Nickel, Oil Rubbed Bronze, and Paint Black. Because the hinge is solid brass rather than plated steel, the plated and living finishes hold up to handling better than a steel-base hinge and the Deltana finish numbers run consistently across their knobs, levers, and stops, so a whole opening can be matched from one brand.

Leaf thickness is .119 inch. That is the depth your mortise has to be routed to so the leaf sits flush with the face of the stile and jamb. If you are replacing a thinner plated-steel residential hinge, the mortise may need a shallow pass to take the extra brass, otherwise the door will bind against the stop.

Solid brass through and through, both the material and the substrate. That matters on coastal or humid installations and on bathroom doors, where a plated steel hinge eventually rusts through the finish. By comparison, the Emtek 91013 residential plain bearing hinge in the same 3-1/2 x 3-1/2 size is plated steel, and the Delaney 3-1/2 x 3-1/2 residential interior hinge is a steel bulk hinge.

For interior passage doors in a residential building, the 3-1/2 x 3-1/2 size is the common standard and the DSB35R4 covers it in eight finishes off one model number, which makes matching across units straightforward. Where it does not fit the program is corridor doors, unit entry doors with closers, or any opening that needs a fire label or bearing hinge, since this is a residential plain bearing product. Larger and heavier doors typically move to 4 x 4.

The Deltana DSB35R4 is sold as a pair in 3-1/2 inch by 3-1/2 inch. For a three-per-door count in the same leaf size, the Schlage Residential S3P1010 is a 3.5 inch by 3.5 inch square corner plain bearing mortise hinge in a pack of three, and the Ives 1010RP is a steel plain bearing residential hinge with square corners in a set of three. Both are square corner, so they suit a chiseled or square-routed mortise rather than the 1/4 inch radius corner the DSB35R4 uses.

The Deltana DSB35R4 is a residential-duty solid brass hinge in 3-1/2 inch by 3-1/2 inch with 1/4 inch radius corners. For an exterior residential opening that is commonly hung on a larger leaf, the Delaney 4 inch by 4 inch bulk residential exterior hinge pair uses a 5/8 inch radius corner, and the Delaney 4 inch by 4 inch Castlegate residential pair comes in 5/8 inch radius by square. Both are 4 inch leaves, so the frame and door mortise have to be sized for them rather than the DSB35R4's 3-1/2 inch prep.

The Deltana DSB35R4 is a residential plain bearing solid brass hinge in 3-1/2 inch by 3-1/2 inch. Corridor and unit entry doors in commercial buildings are usually hung on larger ball bearing hinges: the Don-Jo HWBB74545 and HWBB84545 are heavy weight full mortise ball bearing hinges at 4-1/2 inch by 4-1/2 inch in satin chrome, the Don-Jo HWBB85045 is a 5 inch by 4-1/2 inch brass heavy weight ball bearing hinge in satin chrome, and the Orca 3535 Series is a 4-1/2 inch by 4-1/2 inch square corner ball bearing commercial hinge. Those require a wider and taller mortise than the DSB35R4 and are offered in plated finishes rather than the brass finish range the Deltana carries.

Yes, the DSB35 Series solid brass hinges accept Deltana decorative finials in place of the standard flat button tips. The tips thread onto the same removable pin, so you can change them later without pulling the hinge off the door. The hinge ships in the standard tip configuration; finials are ordered separately and need to be matched to the same finish.

The Deltana DSB35R4 is solid brass and offered in Polished Brass, Antique Brass, Brushed Brass, Polished Chrome, Brushed Nickel, Antique Nickel, Oil Rubbed Bronze and Paint Black, and may be fitted with decorative finials. For a different decorative look, the McKinney SQ3331 is a square barrel 2-knuckle decorative hinge in 4-1/2 inch by 4-1/2 inch, and the McKinney T2314 is a non-ferrous standard weight 5-knuckle hinge. Both are larger or different in knuckle count than the DSB35R4's 3-1/2 inch by 3-1/2 inch leaf, so check the existing mortise before specifying.