As a hesitant buyer, I was doubtful of the quality of this carbide-tipped countersink. However, as a result of my tests, I determined that this product exceeded my expectations. It cuts through tough materials like butter and leaves a clean finish. The product is durable and reliable, making it a great addition to any industrial and scientific setting. However, the price may be a bit steep for those on a tight budget. Overall, I highly recommend this product for anyone in need of a high-quality