The Makita XT269M looks like an excellent drill capable of handling wood, metal, and occasional concrete work. This will make selecting the right size easier and more intuitive. Also, try to keep your drill bits organized in a storage case. Carefully refer to your pilot hole charts before making your selection. Knowing how to choose the right drill bit takes practice, but don’t be intimidated. This will account for variables such a wood density and screw type. If you’re not sure which to select, choose a drill bit 1/64” larger than the hole you wish to create. Use a bit exactly the same size as the hole when working on other materials. Use a bit 1/64” smaller than the target hole size for softwoods. These charts are based on the shank of the screw and are meant to be used only as guidelines: Steel bits will drill through soft aluminum, though high-speed steel is required for other metal types.ĭrill bits come with pilot hole charts that will help you identify the right bit for the job. More expensive metal bits may have a titanium coating or contain cobalt. If you are buying new metal drill bits, look for a label with the name high speed steel (HSS).
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