different combinations:
Flat head screws can be used together with flat spacer spring pads depending on the actual use because the connection is at 90 degrees. Countersunk head screws can only be added with shims with taper.
Flat head screws can be used together with flat spacer spring pads depending on the actual use because the connection is at 90 degrees. Countersunk head screws can only be added with shims with taper.
The difference between flat head screws and countersunk head screws
