Fastening tool

A fastening tool configured to fasten workpieces via a fastener including a pin and a tubular part, the fastening tool comprising:

• a motor;
• an anvil configured to abut the tubular part;
• a pin-gripping part configured to grip the pin and to be moved relative to the anvil along a first axis, using power of the motor, the first axis defining a front-rear direction of the fastening tool;
• a magnet having a north pole and a south pole aligned in the front-rear direction, the magnet being configured to move integrally with the pin-gripping part in the front-rear direction along a second axis parallel to the first axis;
• a first magnetic sensor having a first sensing direction defined therefor, a second magnetic sensor having a second sensing direction defined therefor, the second magnetic sensor being disposed rearward of the first magnetic sensor;
• and a control device configured (i) to move the pin-gripping part rearward relative to the anvil from an initial position to a stop position based on a detection result of the second magnetic sensor and (ii) to move the pin-gripping part forward relative to the anvil from the stop position to the initial position based on a detection result of the first magnetic sensor, wherein:
• the first magnetic sensor and the second magnetic sensor are unipolar detection type sensors configured to detect a same specified pole of the magnet, and the first magnetic sensor and the second magnetic sensor are arranged such that an orientation of the first sensing direction relative to the second axis is opposite to an orientation of the second sensing direction relative to the second axis.