Deltana SS45N 4-1/2" x 4-1/2" Square Hinge, NRP, Stainless Steel (Pair)

Solid stainless steel, both the base material and the substrate, which is why it holds up on waterside and coastal openings where plated steel hinges rust out at the knuckle. Deltana calls out corrosion resistance over regular steel hinges as the reason to spend up on this one. Leaf thickness is .134. It ships as a pair in a brushed stainless finish.

NRP is a non-removable pin: a set screw in the barrel bears on the pin so it cannot be driven out while the door is closed. It matters on any out-swinging exterior door, where the hinge barrel is on the outside and an intruder could otherwise tap the pin out and lift the door off. If the door swings in, the barrel is on the secure side and NRP buys you nothing. The SS45N is built with the non-removable pin.

Plain bearing, which is what the SS45N uses, suits residential-weight doors on normal household traffic. Once you are hanging a heavy solid core or a fire door, or the opening sees constant use in a commercial building, go to a bearing hinge instead: the Orca Hardware 3535 Series is a 4-1/2 x 4-1/2 square corner ball bearing commercial hinge in the same size, and the Don-Jo HWBB74545 is a heavy weight ball bearing full mortise hinge in that size. Deltana rates the SS45N as residential, so it is the wrong choice for a high-traffic commercial opening no matter how good the corrosion resistance is.

Not without recutting. A 4-1/2 x 4-1/2 hinge needs a mortise a full inch longer and deeper in the leaf than a 3-1/2 inch one, in both the door edge and the jamb, plus new screw holes. If you want to keep the existing pockets, stay at 3-1/2 inch with something like the Emtek 91013 or the Schlage Residential S3P1010, both 3-1/2 x 3-1/2 square corner plain bearing hinges. Going up to 4-1/2 inch is a chisel job on every opening.

The Orca Hardware 3535 Series is a 4-1/2 inch by 4-1/2 inch square corner commercial hinge with a ball bearing function and a medium duty rating, so it keeps the same size and square corner prep as the SS45N while moving from the SS45N's plain bearing to a ball bearing. The SS45N is a stainless steel plain bearing hinge with a non-removable pin; the Orca 3535 is not described as carrying an NRP feature, so on an out-swinging exterior opening where pin security matters, the SS45N is the one that addresses it.

The Hager BB1168 is a non-removable pin full mortise ball bearing hinge with a heavy duty rating, which is the direction to go when the opening carries a heavy or high-frequency door. The Deltana SS45N is also a full mortise non-removable pin hinge, but it is a plain bearing stainless steel hinge rated residential. Both address pin removal from the outside; the BB1168 does it at a heavy duty level, the SS45N does it in stainless steel for corrosion exposure.

The Stanley Security 2060R is a full mortise spring hinge in a 4.5 inch by 4.5 inch square corner size on a ferrous steel base, rated heavy duty. It takes the same 4-1/2 inch square corner mortise prep as the Deltana SS45N but carries a spring to close the door, where the SS45N is a plain bearing hinge that leaves closing to a separate device.

No. Power transfer through the hinge calls for a purpose-built part such as the BEST CECB179-12C steel full mortise concealed bearing electrified hinge with a 12-wire quick connect, rated medium duty, or the Stanley CECB1900R54L three knuckle concealed bearing concealed conductor hinge, a steel full mortise standard weight 4-1/2 inch by 4-1/2 inch square corner left-handed hinge with 4 wires. The Deltana SS45N is a stainless steel plain bearing hinge with a non-removable pin and carries no conductor, so it hangs the door but cannot feed an electrified lock or monitor circuit.

Wood screws are specified at #12 x 1-1/4 inch for the SS45N. That size suits a wood door and wood jamb. If you are hanging into a hollow metal frame or a steel-reinforced jamb, wood screws are no use to you and you will need machine screws to match the frame tapping instead.

That is exactly the case Deltana built the SS45 line for. Salt air and chlorine attack plated steel hinges from the pin and knuckle outward, and once the pin seizes or the plating blisters the door starts to sag. Stainless resists that corrosion in a way regular steel hinges do not. For a beach house, a poolside gate door, or a lakefront rental where a property manager does not want to be back on the same door in two years, the stainless is the reason to buy this over a plated residential hinge like the Emtek 91013.

Step up to the Hager BB1168 NRP, a non-removable pin full mortise ball bearing hinge rated heavy duty. The SS45N gives you the non-removable pin, but it is a residential plain bearing hinge, so it is under-specified for a heavy commercial out-swing entrance. Same security feature, the Hager just carries the weight and the cycle count.

No. The SS45N is a plain bearing full mortise hinge with no spring in it, so the door stays wherever you leave it. For a door that has to close itself, a garage-to-house door or a pool enclosure, you want a spring hinge such as the Stanley Security 2060R in 4-1/2 x 4-1/2 square corner, which is the same size and corner pattern and will drop into the same mortise.

For interior doors where the pin does not need to be captive, the Orca Hardware 4040 Series is a 4 inch by 4 inch square corner plain bearing commercial hinge at a medium duty rating, and the Emtek 91013 is a 3-1/2 inch by 3-1/2 inch square corner plain bearing residential hinge sold as a pair in plated steel. Both share the plain bearing action and square corner prep of the Deltana SS45N but sit at smaller leaf sizes, so they suit narrower or lighter interior doors rather than a 4-1/2 inch mortise.

Both cover a 4-1/2 inch by 4-1/2 inch full mortise cutout. The Don-Jo HWBB74545 is a heavy weight full mortise ball bearing hinge in satin chrome at a heavy duty rating; the Deltana SS45N is a stainless steel plain bearing hinge with a non-removable pin, supplied as a pair in brushed stainless. The HWBB74545 answers a weight and cycle question, the SS45N answers a corrosion and pin-security one, so the choice follows which of those the opening presents.

The McKinney SQ3331 is a 4-1/2 inch by 4-1/2 inch square barrel 2-knuckle decorative hinge at a standard duty rating, so it matches the 4-1/2 inch by 4-1/2 inch leaf size of the Deltana SS45N but is built as a decorative square-barrel hinge rather than a stainless steel non-removable pin hinge. If the reason for the SS45N is corrosion resistance at a waterside or exterior opening, or a pin that cannot be driven out from the hinge side, the SQ3331 is a different part being chosen for its barrel appearance.

The Stanley FBB191 is a 5-knuckle full mortise standard weight hinge in 4.5 inch by 4.5 inch, rated heavy duty. The Deltana SS45N is a full mortise 4-1/2 inch by 4-1/2 inch square corner hinge in stainless steel, plain bearing, with a non-removable pin, rated residential and sold by the pair. A facility mixing interior and exterior openings often standardizes the FBB191 on the commercial interior doors and reserves the SS45N for the exterior and coastal-exposure openings where the stainless base and captive pin are the reason for the choice.

The Delaney RH45xx is a 4 inch by 4 inch bulk residential exterior hinge with a 5/8 inch radius corner, sold as a pair, which is the same residential exterior role as the Deltana SS45N. The difference is prep and finish material: the Delaney is a 4 inch radius corner leaf, while the SS45N is a 4-1/2 inch by 4-1/2 inch square corner stainless steel hinge with a non-removable pin. A door already mortised for radius corners takes the Delaney without rework; a square corner mortise takes the SS45N.

No. The Deltana SS45N is a full mortise hinge, meaning both leaves mortise into the door edge and the frame rebate. The Hager 1129 is a half mortise plain bearing commercial hinge in 4-1/2 inch standard weight steel, and the Hager 990 STEEL is a full surface prison hinge 3 inch by 4 inch with a welded tip, both rated heavy duty. Those mount against a channel frame or surface rather than into a mortise, so an opening prepped for either of them will not receive the SS45N.

Brushed stainless is the only finish the SS45N comes in. It reads close to satin nickel and satin chrome in a doorway, so it sits comfortably next to most contemporary lever and knob finishes, but it is not an exact match to a plated satin chrome hinge such as the Don-Jo HWBB74545. If you are standardizing hinge appearance across a building, keep the whole run in brushed stainless rather than mixing.

No. The SS45N is a plain mechanical hinge with a solid non-removable pin and no wire path through the barrel. Power transfer to an electrified lock has to go through a purpose-built hinge like the Command Access ETH-CB70 energy transfer hinge or the BEST CECB179-12C, a full mortise electrified hinge with a 12-wire quick connect. Trying to route wire through a standard hinge is not something you can retrofit.

The Ives 3CB1 is a steel 3-knuckle concealed bearing full mortise hinge at a medium duty rating, and the 3CB1HW is the heavy weight concealed bearing version with 3 knuckles. Both hide the bearing inside the knuckle for a smoother barrel line and carry cycle load through that bearing. The Deltana SS45N is a full mortise stainless steel plain bearing hinge with a non-removable pin, so it runs without a bearing race and is chosen for its stainless base and captive pin rather than for bearing action.