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  • Which types of drill bits are suitable for hinge hole

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    Tom qab: Raws li woodworking cemented carbide cov cuab yeej tsim nyog rau kev ua cov vaj huam sib luag ntau ntoo thiab cov khoom ntoo, cov nyhuv txiav yog qhov zoo dua li ntawm cov cuab yeej siv high-speed steel, thiab lawv tau siv ntau dua. Ua raws li kev ua haujlwm ntoo carbide pom tuaj, woodworking cemented ca ...
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