Steel hardware manufacturer in Jiaxing, Zhejiang · Haining Jiahong Hardware Factory

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Installation Guide

Choosing a Gate Latch for Out-Swing Gates and Animal Pens

An automatic latch closes itself. That single difference is why it belongs on a livestock gate and a manual drop latch does not.

Automatic gate latch for out-swing gates and animal pens

Automatic Means the Gate Latches Itself

Both our gate latches are designed for out-swing gates, doors and animal pens, and both latch automatically when the gate swings shut. On a farm that matters more than any strength figure: a gate that needs a deliberate second action is a gate that eventually gets left open.

315 Gate Latch made by Prometal Hardware
315 Gate Latch — see the full specification

Hand and Mounting Are Not Fixed

The latch is designed for right or left hand applications, and the strike can be mounted either on the gate or on the post. That flexibility is what lets one part number cover a run of gates that were not all hung the same way.

Opening From the Far Side

The release lever carries a punched hole for a rigging cord, so the latch can be released from the opposite side of the gate. Fit the cord before the gate is hung; retrofitting it means working across a closed gate.

316 Gate Latch - Stainless Steel made by Prometal Hardware
316 Gate Latch - Stainless Steel — see the full specification

Steel or 304 Stainless

The 315 uses a hot-rolled steel case and strike with a steel rod bar. The 316 uses a 304 stainless steel case and strike. Choose stainless where there is washdown, slurry or coastal air, and steel elsewhere. A back finish is available on both for extra weather resistance.

316 Gate Latch - Stainless Steel made by Prometal Hardware
316 Gate Latch - Stainless Steel — see the full specification

Hanging the Gate So the Latch Works

The latch is designed for out-swing gates, which means the gate must close into the latch without being lifted. Hang the gate so it swings freely and settles into the strike under its own weight, and check the strike alignment before fixing it permanently. Both latches can be padlocked once closed.

Questions on This Topic

Can these latches be used on an in-swing gate?

No. Both are designed for out-swing gates, doors and animal pens.

Can the latch be locked?

Yes. Both versions can be padlocked for added security.

Which version for a dairy or coastal site?

The 316, which uses a 304 stainless steel case and strike.

Still Deciding What to Specify

Tell us the application and the load, and we will point you at the model and size rather than the category.