Answer
Dec 24, 2025 - 06:59 AM
For roll pins (also called spring pins), drill a hole that matches the nominal diameter of the pin. For example, for a 1/4" roll pin, drill a 1/4" hole. The pin is slightly oversized and compresses as it is inserted, ensuring a tight fit.
Here is a Direct Link to HSS drill bits.
https://toolstoday.com/search-results...
Here is a Direct Link to HSS drill bits.
https://toolstoday.com/search-results...
