Product Overview CRL Countersinks are expertly crafted to cut round countersunk holes in aluminum with unmatched speed and precision, ensuring a flawless hole every time. The smooth drilling action from the single cutting edge prevents chatter and fluted edges, delivering exceptional results. The 1/4" (6 mm) shank diameter fits any 1/4" or 3/8" drill chuck. For Deburring Holes: Achieve Smooth, Round Holes Every Time Compare Our Competitive Prices Against Other Brands
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