Deltana PIN-ST4 Hinge Pin for 4" x 4" Steel Hinges

The PIN-ST4 is the replacement pin for 4 inch by 4 inch steel hinges, 4 inches long with a 1/4 inch diameter barrel. If your hinge leaves measure 4 x 4 and the existing pin drops out at 1/4 inch, this is the right pin. It will not work in a 3-1/2 x 3-1/2 hinge, where both the pin length and the knuckle bore are smaller.

Yes, the PIN-ST4 is sold as a single pin, each. That is the usual fix when a pin walks out or gets lost during painting: pull the door, drop in the matching pin, and leave the hinge leaves in the door and jamb so you never touch the mortise or the screw holes. Just match the pin finish to the hinge you already have.

Nine finishes on the PIN-ST4: Polished Brass, Brushed Brass, Antique Brass, Polished Chrome, Brushed Chrome, Brushed Nickel, Antique Nickel, Oil Rubbed Bronze, and Paint Black. They are finish-matched to Deltana residential steel hinges, so a property manager replacing pins across a building can hold the same look door to door rather than ending up with a bare pin in a plated hinge.

Residential. The PIN-ST4 goes with Deltana's residential steel hinge line, so it suits apartment and house interior and entry doors. For a high-traffic commercial opening on a heavy door, you want a commercial-grade hinge and its own matching pin, not a residential pin substituted into it.

One pin per hinge, and the PIN-ST4 ships as a single pin. Standard residential doors run two or three hinges per leaf, so budget two or three pins per door, and order the same finish across all of them so the barrels match when the door is hung.

Handing is not set by the pin. A standard butt hinge is non-handed, and pulling the pin is how you separate the leaves, not how you change the swing. The PIN-ST4 simply reinstalls the same 4 x 4 steel hinge, 4 inch pin, 1/4 inch diameter. Changing which way a door swings means relocating the hinge mortises and the strike, not buying a different pin.