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Drill Bit
Sizing Hack
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There are plenty of various drill bits out there — including wood, metal, and masonry — and they each have different shapes, coatings, and uses. However, Apartment Therapy has a method for selecting the correct drill bit that doesn’t require any extra tools or materials.
With this method, you will be holding various drill bits in front of the screw you are using. When you look at your standard screw, there is a central column and spirals around it, and you are looking to choose a drill bit that matches the size of the central column of the screw.
When you hold the drill bit in front of the screw, you want to see the spirals but not the central column. This size drill bit will allow the screw to fit in the hole with enough material around it to cling to.