https://www.amazon.com/gp/product/B0881YP54F/ref=ppx_yo_dt_b_search_asin_title?ie=UTF8&th=1
https://www.mcmaster.com/screws/system-of-measurement~metric/alloy-steel-socket-head-screws-8/thread-size~m3/
both class 12.9 170kpsi rated