The present invention provides a part conveyor system comprising an attitude adjusting jig which adjusts the attitude of a part which has an axis part and a head part, and a conveyor device which takes out and conveys the part from the attitude adjusting jig. The attitude adjusting jig is provided with a recessed part which has an inside space which is sandwiched between a pair of upward slanted surfaces facing each other, a groove part which is formed at the bottom of the recessed part for holding the axis part of the part, and a magnet which is arranged in the groove part.