To provide a nut feeder emitting low noise and consuming less power.

This nut feeder comprises a supply part 1 in which nuts are stocked and which supplies the nuts continuously, and a sorting part 2 installed parallel to the supply part 1 and conveying the nuts fed from the supply part in the direction reverse to the conveying direction for the nuts on the supply part 1, determining whether the nuts are positioned in a desired direction, continuously discharging only the nuts in the desired direction, and returning the nuts other than those in the desired direction to the supply part 1 by slide-down. A scraping-off member 23 extending to the supply part 1 side is desirably installed on the sorting part 2. Also, a slide-down part 20a having a sloped surface reduced in height toward the supply part 1 side is desirably recessed in the sorting part 2.