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7 Best Drill Bit Sharpeners [ 2022 Reviews ] - Best of Machinery
May 2, 2022This diamond sharpener is designed to sharpen iron drill bits. It's compact and portable, so you can always have it on hand to resharpen your drill bits. It's made from high-quality ABS plastic with a corundum grinding wheel. Why We Liked It: This portable sharpener is a compact and easy-to-use tool.