Very good quality. Ideal for countersinking screws with #2 washer. Plugs fit snugly in countersink. After 1200 holes in plywood and about 700 holes in oak and 500 holes in maple the last hole is as clean as the first. I wanted to buy a carbide countersink but shipping/availability led me to buy this countersink for high speed tools. Passed the project and still works like new for a fraction of the cost of carbide. Never before has there been a production project with so many countersunk holes. I suspect this tool will be lost before it wears out. There's no reason to use carbide in a hobby shop.
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