Answer
Jan 10, 2025 - 08:12 AM
The numbers on drill bits typically indicate the diameter of the bit, usually in inches or millimeters, which helps you select the correct size for the hole you need to drill. Some drill bits also have a number that corresponds to a specific size in a drill bit index, such as a numbered gauge for small sizes or a letter gauge. These markings ensure precision and compatibility with the material and fasteners used in a project.
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