https://www.amazon.com/Mounting-Screws-Gigabyte-ASRock-Motherboards/dp/B08ZD81HDR/ref=sr_1_3?keywords=m.2+standoff+kit&qid=1639712387&sr=8-3

I think I bought this kit. If it wasn't this one, it was something like this one. I'm 90% sure this is the kit I bought though.

PCIe NVMe M.2 SSD Mounting Screws Kit for Asus Gigabyte ASRock Msi Motherboards, 30pcs https://www.amazon.com/dp/B08ZD81HDR/ref=cm_sw_r_cp_apan_glt_fabc_C373ZFVSJ4WSRFZ19KFM

You probably found something already but just in case

i ordered yesterday

https://www.amazon.com/Mounting-Screws-Gigabyte-ASRock-Motherboards/dp/B08ZD81HDR/ref=sr_1_5?crid=180EYNJI3PRVB&dchild=1&keywords=asrock+m.2+screw&qid=1630453283&sprefix=asrock+m.2%2Caps%2C214&sr=8-5

and it worked.

https://www.amazon.com/Mounting-Screws-Gigabyte-ASRock-Motherboards/dp/B08ZD81HDR/ref=sr_1_5?keywords=ssd+screws+m.2&qid=1663614810&sprefix=SSD+screw%2Caps%2C77&sr=8-5

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That will work, and you will have a tons of replacements for the future.