Clean up the threads in the hole with a proper size tap.
If it’s to far gone here is the Helicoil kit.
https://www.amazon.ca/gp/product/B000QFRUCA/ref=ppx_yo_dt_b_asin_title_o06__o00_s00?ie=UTF8&psc=1

This kit also comes in handy if you're an SLR owner![]()




























