Electric Auger Kickback

[EsoxManiac]

I have the clam 120volt lithium ion auger (partnered with frictionless world before bankruptcy) and noticed the last couple years I have used it it’s started to have a twist when ever i start drilling and right before it drills through similar to the kickback on an impact driver and was wondering if anyone knew why or have had that issue with their auger and i was thinking either blade sharpening or new blades which I bought also if i get snow on the blades even the smallest amount it doesn’t cut at all

 

[Land1]

old blades may have got dull new blades pitch may be off

[EsoxManiac]

I haven't used the new blades yet and thank you for the suggestion about the old blades