To improve the performance of arc welding by efficiently producing, ensuring the feeding operation for a welding wire and smoothing an inserting operation.

This device is composed of a feeding chip main body 1 and a feeding part, the feeding chip main body 1 is constructed with the conductive member provided with a welding wire guiding hole 1C in the center axis part, the feeding part is provided with spherical members 2 consisting of at least three conductive members or the like, spherical members 2 are arranged and fixed on the same circumference of the same flat surface in the welding wire delivering side of the feeding chip main body 1, and the welding wire inserting hole 3 is formed at the center encircled with respective spherical members 2.