Answer
Nov 26, 2025 - 01:59 PM
A number 20 drill bit has a diameter of 0.161 inches, which is approximately 4.08 millimeters. It is commonly used for creating holes for tapping certain xxxx sizes in metalworking and woodworking.
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Here is a Link to Drill Bits .
https://toolstoday.com/boring-bits-an...
