M8 X 20mm countersink screw- zinc plated.
Used in various places.

Scorpa/Sherco:
4X Sump plate (2016 models)
3X Sump plate (2017-2022 models)
1X Rear silencer mounting
1X Kickstart

See images for exact positioning

Scorpa and Sherco part number is 6057

Also used on the following other bikes:

Beta Evo uses2 on the rear of the sump plate
Montesa & Electric Motion use 2 on the sump plate