Breaking thread (folding pins)

Breaking thread (folding pins)

The thread breaks off when installing the punctures.
When does this problem occur?
With folding pins that are made from one piece and hardened for better durability, it can happen that the thread breaks off during installation.
How can I prevent the thread from breaking off?
The body of the folding pin should be made of a softer material. Hardened material only makes sense for the needle used to improve the service life.

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