Deltana SS35-R 3-1/2" x 3-1/2" Square Hinge, Residential, Stainless Steel (Pair)

That's what the SS35-R is built for. The hinge is solid stainless steel through the leaf and substrate, so it resists corrosion far better than a plated or painted steel hinge on salt air and weather exposure. Waterside and outdoor residential openings are the case it's made for. Note it's a residential-duty plain bearing hinge, not a commercial ball bearing one, so keep it on house and light-traffic doors rather than a high-cycle entry.

The SS35-R sells by the pair, so two hinges per box. A standard residential door usually takes three hinges, meaning two boxes per opening (you'll have one spare leaf pair left over across two doors). Mounting screws are #10 x 1 inch wood screws, sized for wood jambs and wood doors. The hinge is full mortise, so both leaves get pocketed, one into the door edge and one into the jamb.

Not as a security hinge. The SS35-R does not have a non-removable pin, so on an out-swing door the pin sits on the outside and can be driven out. For a residential in-swing door that's a non-issue. If you need pin security on a mortise hinge, the Hager BB1168-NRP is a full mortise ball bearing hinge with a non-removable pin.

The SS35-R has square corners, so it will not drop into a radius-corner mortise without rework. For a 5/8 inch radius mortise at the same 3-1/2 inch size, the Delaney RH35xx is a 3-1/2 by 3-1/2 steel residential interior hinge pair with a 5/8 inch radius. For a 1/4 inch radius mortise, the Orca Hardware COM3514 is a 3.5 by 3.5 by 1/4 inch radius corner plain bearing commercial hinge. Measure the existing mortise corner before ordering, since 5/8 inch and 1/4 inch radius are not interchangeable with each other or with square.

The Emtek 91013 is the nearest match. It is a residential plain bearing hinge pair at 3-1/2 inch by 3-1/2 inch with square corners, the same size, corner style, bearing type, and pair packaging as the SS35-R. The difference is base material: the Emtek 91013 is plated steel, while the SS35-R is stainless steel, which is why the Deltana is the one to reach for on waterside and outdoor openings where corrosion is the concern. For an interior door where corrosion is not a factor, the 91013 covers the same prep with no mortise changes.

Step up to a heavy duty 3-1/2 inch hinge in the same square corner size. The Emtek 92013 is a heavy duty plain bearing hinge pair at 3-1/2 by 3-1/2 with square corners in plated steel, keeping the SS35-R's plain bearing action with a heavier rating. If the door sees frequent cycling rather than just weight, the Emtek 94013 is a heavy duty ball bearing pair in the same 3-1/2 by 3-1/2 square corner size, where the ball bearing carries the load instead of a plain bearing surface. The SS35-R is a residential hinge, so on high-traffic multi-family corridors or commercial openings one of those two is the better fit.

The SS35-R does not have a non-removable pin, so the pin can be driven out when the door is closed with the hinges on the outside. For an opening that needs the pin secured, the Hager BB1168-NRP is a non-removable pin full mortise ball bearing heavy duty hinge. That is a different class of hinge, heavy duty ball bearing rather than the SS35-R's residential plain bearing, so confirm the mortise size and depth the BB1168 requires before swapping. Where the pin is protected because the hinges swing to the interior, the SS35-R's stainless steel construction is what earns it on a coastal or outdoor door.

For a property manager buying one hinge for everything, the SS35-R covers it on the residential side: 3-1/2 x 3-1/2 square corner is the common residential door size, and the stainless build means the same part goes on a weather-exposed entry that would rust out a plated steel hinge. The limits are duty and prep. It's residential plain bearing, so heavy solid-core or commercial doors want a bearing hinge instead, and every door has to have a square-corner mortise, not radius.

No handing to specify. The SS35-R is a full mortise butt hinge with a plain bearing and a removable pin, so the same hinge works on a left or right hand door, you just orient it. Order by size and finish only. Handing does come up on some architectural hinges: the Stanley CECB1900R54L electrified hinge, for instance, is specified left-handed.

Size and prep are the same, 3-1/2 x 3-1/2 with square corners, plain bearing, full mortise. The difference is the metal. The SS35-R is stainless steel front to back, so it resists corrosion where a plated steel hinge eventually rusts or bleeds down the jamb. Comparable plated steel pairs in the identical size include Emtek 91013 residential plain bearing and Schlage Residential S3P1010, which ships as a pack of three rather than a pair. Pick the stainless for exterior, coastal, or bathroom and laundry openings, the plated steel for dry interior doors.

The SS35-R uses a plain bearing, which is the standard arrangement for residential doors that cycle a few times a day. A ball bearing hinge carries the pin load on bearings between the knuckles and is specified where the door is heavy or cycles constantly. In the same 3-1/2 by 3-1/2 square corner size, the Emtek 94013 is a heavy duty ball bearing hinge pair in plated steel. At larger sizes, the Orca Hardware COM3535 is a 4-1/2 by 4-1/2 square corner ball bearing commercial hinge rated medium duty, and the Delaney CH401X is a 4 inch by 4 inch commercial ball bearing hinge with square corners. On a standard interior or light exterior residential door, the plain bearing SS35-R is the type that belongs there.

No. The SS35-R is a mechanical full mortise hinge with no provision for wiring. For a powered opening you need an electric transfer hinge: the Command Access ETH-BB68 is an energy transfer hinge with a 5-knuckle heavy duty steel base, and the ETH-CB70 is the 3-knuckle standard weight steel base version rated medium duty. If you also need door position status back to the panel, the Command Access ETM-CB70 is an energy transfer monitor hinge with door position sensing on a 3-knuckle steel base. The SS35-R can still be used for the non-electrified hinge locations on the same door.

They are close but not identical, and the difference matters at the counter. The Schlage Residential S3P1010 is a 3.5 by 3.5 inch square corner plain bearing mortise hinge with the same size, corner style, and bearing type as the SS35-R. The two differences: the S3P1010 comes as a pack of 3, while the SS35-R is sold as a pair, so the count per door is different when you are quantifying a job. The SS35-R is stainless steel, which is what makes it the choice for exterior and waterside openings.

For the hinge itself, yes on an interior residential opening. The Ives 1010RP is a steel plain bearing residential hinge with square corners, matching the SS35-R's plain bearing action and square corner prep. Two things to check when you order: the 1010RP ships as a set of 3 while the SS35-R is a pair, so count per door rather than per box, and the 1010RP is steel where the SS35-R is stainless steel. Verify the leaf size on the door you are replacing, since the SS35-R is 3-1/2 by 3-1/2 and a taller leaf will leave the mortise short.

Several 3-1/2 inch and full mortise hinges in the same family solve a different problem. The Ives 3CB1 is a 3-knuckle concealed bearing full mortise hinge, a different bearing design from the SS35-R's plain bearing, and it is rated medium duty for commercial openings. The Command Access ETH-CB70 is an energy transfer hinge with a steel base, built to run power through the door to an electrified lock, not a plain mechanical hinge. The Emtek 96213 is a heavy duty 3-1/2 by 3-1/2 square corner hinge pair that will fit the same mortise but is a heavier class than the SS35-R's residential rating. Match on bearing type and duty, not just leaf size and corner.

The SS35-R is a residential hinge with a plain bearing, which suits apartment interiors, unit doors, and light-traffic openings, particularly where stainless steel corrosion resistance matters on exterior-facing doors. For a commercial standard across a facility, the Orca Hardware COM3514 is a medium duty plain bearing commercial hinge at 3.5 by 3.5 with a 1/4 inch radius corner, and the Ives 3CB1-B is a medium duty concealed bearing full mortise hinge for commercial grade openings. A common approach is running the commercial medium duty hinge on the corridor and stairwell doors and the SS35-R where the opening is residential and the environment is wet or coastal.

Two: Paint Black and Brushed Stainless. Brushed Stainless leaves the metal in its natural state, which is what you want outdoors, since a scratch on a painted finish opens a path for the coating to fail while the stainless underneath keeps resisting corrosion. Paint Black matches black exterior and interior hardware packages.

Leaf thickness is .085 inch. That's the gauge that decides how deep to rout the mortise, the pocket needs to take the leaf flush so the door closes without the leaves binding at the barrel. The screw holes are arc pattern, staggered rather than in a straight line, which keeps the fasteners from splitting along a single grain line in a wood jamb.