K1215-12mm Square Corners Carbide Inserts 4 Edges (12mm lengthX12mm widthX1.5mm thick-35 Degree Cutting Angle), Pack of 10, Straight-Hole

Sharp sharp, good stuff for my slab bit.

Great blades. I used these on a 3 blade slab flattening router bit. I rotated through all 4 sides of a set while flattening both sides on a 13ft black walnut slab. 1 set did the entire job, and left a really smooth surface. Def recommend them.

I didn’t baby the an I got pretty life from them! I’ll get them again!

I bought these for a surfacing bit, and the original carbide blades are so long lasting (I am pretty conservative on speeds and feeds) that I have not had to replace a carbide blade yet, though I am on my 3 rotation on the existing blades. Maybe I will have to replace a blade this year.

For the price I thought I was getting some cheap blades but they have been staying sharp far longer than I expected. Pleasantly surprised

I bought these blade to flatten several semi-hardwood slabs 3 meters long by about 500 mm wide. I took them down from 55mm thick to 34 mm thick. Very happy with the finished result, they cut exceptionally well, and after all that cutting are still sharp. Very good.

My item came in quick. They are working great so far. I like the fact that I can get them in bulk instead of one at a time.

I used them on my cutter bit cuts nice

Item wasps described and arrived before time specified. Good Quality replacement Carbide Inserts. love them and recommended.

These guys outlast my Amana DLC carbide inserts 5x over. Great price and works better than the competition. I use these in my huge 3” surfacing bit to flatten live edge slabs with my router sled

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