Product Overview CRL Countersinks are expertly crafted to effortlessly cut round countersunk holes in aluminum. They outperform standard countersinks in speed and precision, delivering a flawlessly finished hole every time. The single cutting edge ensures a smooth drilling action, preventing chatter and fluted edges. The 1/4" (6 mm) shank diameter fits any 1/4" or 3/8" drill chuck. For Large Holes Produce Smooth, Round Countersunk Holes Every Time Compare Our Unbeatable Prices Against Other Brands
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