It is best to abandon the Masoretic punctuation, and translate, For it (i.e., the calf) is from Israel (not of Divine origin); as for it, an artificer made it, and it is no god. Yea, the calf of Samaria shall be shattered to fragments (literally, become splinters or fine dust).
Related Commentaries of Hosea 8:6
Hosea 8:6
6 For from Israel was it also: the workman made it; therefore it is not God: but the calf of Samaria shall be broken in pieces.