Answer
Nov 19, 2025 - 05:11 PM
A #8 countersink is designed to fit #8 screws, which typically have a xxxx diameter of about 0.164 inches (4.17 mm). The standard countersink angle is 82 degrees, and the hole diameter is usually around 3/8 inch (0.375 inches or 9.5 mm) to properly seat the xxxx head.
Here is a helpful link to all the sizes needed for particular screws.
https://toolstoday.com/carbide-tipped...
Here is a helpful link to all the sizes needed for particular screws.
https://toolstoday.com/carbide-tipped...
