Taps and threading tools wholesale dies can cut threads. The tap cuts internal threads, such as the bottom bracket shell in the frame. The die cuts external threads, such as steering columns. You can also use a lathe to cut threads, or roll threads, such as those on the ends of the spokes or hub axles. For example, a common spoke is 2mm in diameter. However, the spoke threads are larger than 2.0 mm shafts (2.2 mm). This is because the crest moves upward when the thread is rolled.

When the thread is damaged, sometimes you can choose to repair it. Generally, when an internal thread is damaged, it will be damaged at the end of the thread instead of in the middle. If only minor damage occurs, it can be tapped again. This assumes that enough undamaged threads remain to allow proper tightness. As an actual test, after tapping, the torque slightly exceeded the recommended specifications. If the wire is weakened, it will peel off and fail this test. If it does not peel off, the thread is sufficient and should be spared during use.

Sometimes a coil system can be used to repair internal threads. The damaged thread is drilled to a specific size. The new larger thread is fitted with a tap of a specific size. The inserted coil has the outer diameter of the tap, but the inner diameter of the coil matches the original thread.

The tap and die are cut to match the required thread and also have a helix angle. This is harder to see because the thread is not continuous around the tap or die. In the mold, the cutting area is called the "platform". The land is separated by the "flute", the gap between the land. Larger tap sizes are usually made into "jumping" taps without other threads. This helps prevent cutting material from accumulating in the faucet.
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