What size is my Mora Auger?

I am totally new to Ice Fishing. In fact, I am waiting for ice for my first attempt.

I just bought an old, used Mora auger off FB Marketplace ($10). My problem is, I don’t really know if it is 6″ or 7″. I don’t see any markings.
The Auger body measures about 6 5/8″ diameter. The blade mount area measures 6 3/4″ across. So, I bought 7″ blades from Strikemaster. I can’t imagine the blades being smaller than the mount width. They mounted up just fine. Blades extend slightly beyond the end of the mounting surface. Did I guess correctly on the 7″ size? Any comments would be welcome!

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I think your blades are on up side down.

Yep upside down. I measured mine should be a 7 inch auger It may tell you on the old blades should say 7 stamped somewhere.

Welcome to IDO!

Thank you both! I bought the auger for $10, with no blades attached. It actually had a blade cover that was marked 6″ (Which I noticed AFTER I ordered the 7″ blades of course) It does not fit over the 7″ blades, but, I’m almost thinking its the wrong blade cover.
I’m going with 7″ mrpike.

I was wondering about which side faced out. Went off a picture of a new StrikeMaster Mora, and the picture on the blade box.

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TYVM!

I just looked at a auger like yours and I think your blades might be right . It’s hard to tell in your picture but the taper of the edge should be going down to cut into the ice

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I’m double checking as well hard to tell from the pic.

Appreciate all the help! Here is a side view pic of my new blade. I’d like to make certain I have them on correctly before putting Loctite on the threads and tightening them down.

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That looks perfect

John Lapolla wrote:

I’d like to make certain I have them on correctly before putting Loctite on the threads and tightening them down.

I’d hold off on the Loctite till you’ve tried it. Sometimes, those auges get a little bent and you end up having to shim the blades a little to get a better cutting and. I’d just tighten them up and give it hell.

I have an 8″ mora that I use 7″ blades on to give me a little less resistance when cutting. If the cross section of the auger is greater than 6″ I think you can use either the 7″ or 8″ blades depending on your preference.

Great advice Ralph. TYVM!

TYVM Lost and Gino. Appreciate the support.

The Mora 8″ model uses the 7″ drill unit.Blades stick out the sides a little with 8″.