Answer
Dec 24, 2025 - 06:46 AM
To read a countersink specification, look for two key numbers: the diameter of the top (countersunk) hole and the angle of the countersink (commonly 82°, 90°, or 100°). For example, "10 mm x 90°" means the countersink has a 10 mm diameter at the top and a 90° angle.
Here is a Direct Link that will help you choose a quality bit for your project.
https://toolstoday.com/boring-bits-an...
Here is a Direct Link that will help you choose a quality bit for your project.
https://toolstoday.com/boring-bits-an...
