I was mad at myself when the bit arrived and saw I had ordered a 1/4 inch shank , but I've drilled about 200 holes and it still works like new. It drills exactly a half inch flat bottomed hole and since this is Freud's I have no doubt it will work well for thousands of other holes.
Olson 80 Inch Blade FB14580DB-025
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๐ช Bi-Metal Cutting Blades: Imachinist S933414 - Enhancing Precision and Performance
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Enhanced Cutting Efficiency with Olson FB23370DB 0 025 2 Inch Blade
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