What is numbered drill bit sizes system?
The numbered drill bit size system is a standard method of specifying the diameter of twist drills, commonly used in the United States. This system includes drill bit sizes designated by whole numbers, typically ranging from #1 (largest) to #80 (smallest). Each number corresponds to a specific diameter, which allows for precise hole sizes in various machining and drilling applications.
Numbered Drill Bit Sizes and Corresponding Diameters
Below is a table listing some common numbered drill bit sizes along with their corresponding diameters in inches and millimeters:
Understanding the numbered drill bit size system helps ensure that you select the right bit for your drilling needs, leading to better results and more efficient work. If you have any doubts with it, please feel free to contact HKTools!
Post time: Jul-12-2024
