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WIDELY APPLICATION - The step drill bits can be used to chamfer, bur, and drill or enlarge holes. The step drill bits can work with aluminum alloy, plastic material, and wood. The protective aluminum case makes the drills not easy to dull.
When you click on links to various merchants on this site and make a purchase, this can result in this site earning a commission. Affiliate programs and affiliations include, but are not limited to, the eBay Partner Network.