Recording material processing apparatus and image forming system

The recording material processing apparatus comprising:

• first teeth that are used for binding processing of a recording material bundle;
• second teeth that move toward the first teeth and press the recording material bundle located between the first teeth and the second teeth;
• a guide portion that guides an interlocking portion interlocking with the second teeth, wherein the interlocking portion is in physical contact with the second teeth;
• and
• a guided portion that is provided in the interlocking portion and guided by the guide portion,
• wherein one of the guide portion and the guided portion includes a hole, and
• the other includes a rod-shaped portion that extends in a movement direction of the interlocking portion and comes into contact with an inner surface of the hole.