What is the best method for cutting small diameter copper tubing?

The best method for cutting small diameter copper tubing is to use a tubing cutter. This tool is specifically designed for cutting copper pipes and tubing cleanly and effectively. A tubing cutter features a rotating cutting wheel that scores the surface of the copper as it is rotated around the tubing. This method minimizes the risk of deformity and provides a smooth, clean cut, which is essential for ensuring proper fittings and seals in plumbing applications.

Using a hacksaw, while it could work for cutting copper tubing, often results in rough edges or burrs that may need further smoothing, making it less efficient and potentially problematic for connections. A pipe wrench is not a cutting tool and is used for gripping and turning pipes instead of cutting them. Meanwhile, a miter saw, commonly used for cutting wood or larger pipes, would not be practical or precise enough for the small diameter intended for copper tubing, which could lead to inaccuracies and a poor finish on the cut.

Overall, the tubing cutter is designed specifically for this task, ensuring a high-quality cut that helps maintain the integrity of the plumbing system.