The pin which has spring action and called role pin or self rock pin. For its heat treatment. It has fully strength against shearing stress and an advantage to be lighter than parallel pin.
Instead of existing parallel pin used for partition pin rivet or join of screw stopper pins of bolt and nut locking pin clamping pin etc.
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The pin which has spring action and called role pin or self rock pin. For its heat treatment. It has fully strength against shearing stress and an advantage to be lighter than parallel pin.
