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How to Thread Copper Pipe: A Step-By-Step Guide

How to Thread Copper Pipe

Copper pipe is one of the most popular materials used in plumbing projects. While it’s a relatively straightforward process, threading copper pipe can be intimidating for a beginner if you don’t know what you’re doing. To help make the process easier, we’re sharing step-by-step instructions on threading copper pipe correctly. Let’s get started!

Step 1: Gather Your Supplies

Before threading your copper pipe, ensure you have all the necessary supplies. You will need a die head with dies that match the size of your pipe, a ratchet wrench or an adjustable wrench, some lubricant (like WD-40), a reamer (to clean up any burrs from the threads) and measuring tape or ruler. Once you have gathered all those items, you are ready to begin.

Step 2: Align Your Die Head

Once your supplies are in order, align the die head so that it faces in the same direction as the pipe. Make sure your die head is firmly mounted on a stable surface—you don’t want it shifting during threading. It also helps to stand on one side of the die head and use your body weight to keep it still while you turn it with the wrench or ratchet on the other side.

Step 3: Apply Lubricant

Once your die head is firmly set in place, apply some lubricant to the die head and your copper pipe. The lubricant will help reduce friction and prevent damage to both pieces as they rotate against each other during threading. When applying lubricant, make sure not to get any inside of either piece; this could cause problems down the line, such as clogged pipes or faulty joints.


Threading copper pipe may seem intimidating, but follow these steps, and you will soon be an expert at it! Although various tools are available for threading copper pipes, using a reliable die head with matching dies is ideal because it eliminates potential problems such as misaligned threads or uneven cuts. Additionally, always use lubricant before starting and clean up any burrs left behind afterward with a reamer for optimal results every time. With these tips and tricks for threading copper piping, even novice DIYers can easily tackle this project.

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