I recently purchased a ion 10" drill bit and after drilling 8 holes, it turned into a big ice ball around the cutting ice blades! I then contacted ion customer service and was told that there was a bad batch of coating on the drill bit area so they had me send the bit back and they sent me a new one which works great and doesn't ice up at all! So if anyone has this problem, don't give up on this auger just contact them!