What Size Nail for a Joist Hanger?

A joist hanger is a type of metal bracket that is used to support the end of a joist. The size of the nail that is used to secure the hanger in place will depend on the type of hanger that is being used.

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When you’re working on a home improvement project that involves attaching something to your home’s framing, it’s important to use the right type and size of nail. Different projects call for different nails, and using the wrong kind can result in structural damage or cause your project to fail. In this guide, we’ll go over some of the most common types of nails used in home improvement projects, as well as when and why you should use them.

One of the most important things to keep in mind when choosing nails is the thickness of the lumber you’ll be attaching them to. Softer woods like pine can be easily damaged by nails that are too thick, while harder woods like oak can split if nailed with thin nails. In general, it’s best to use nails that are about the same width as the lumber you’re working with. For example, if you’re attaching a 2×4 joist hanger to a 2×4 piece of lumber, you should use a 2×4 nail.

If you’re unsure what size or type of nail to use for your project, ask a professional at your local hardware store for advice.

What is a Joist Hanger?

Joist hangers are nails that are used to Hang a beam or joist from a ledger board. The hanger is nailed to the ledger and the joist is then placed inside the hanger and also nailed in. This is a very strong way to tie a joist into a ledger as it distributes the weight over a large area. It also stops the joist from being able to slide backward and forward as well as twist.

What Size Nail for a Joist Hanger?

There is a lot of debate on what size nail to use when installing a joist hanger. The most common sizes are 10d, 16d, and 20d. 10d nails are the smallest and are used for lighter jobs. 16d nails are the most common size and are used for most applications. 20d nails are the largest and are used for heavy-duty applications.

8d Common Nails

8d common nails are used for most standard applications such as joining 2x4s and attaching joist hangers. For a joist hanger, you’ll want to use 2 nails per hanger.

8d Galvanized Nails

The 8d galvanized nail is by far the most common nail used for joist hangers. It is also the minimum size required by most building codes. The 8d nail has a diameter of 0.131 inches and a length of 3.25 inches.

10d Common Nails

10d common nails are the most popular size of nails used for joist hangers. They are available at most hardware stores and home centers.

10d Galvanized Nails

10d nails are 3.25 inches long and have a diameter of .131 inches. They are the most common size used for joist hangers.


Based on the information above, it is clear that there is no definitive answer to the question of what size nail for a joist hanger. The best nail to use will depend on the specific situation and the type of wood being used. If you are unsure, it is always best to ask a professional for advice.