Carb jetting. Knock off carbs

I’m just not sure if they will be compatible. As the jets in my carb have no groove for a screwdriver. Do you think the standard 5mm jets will work?
 
I’m just not sure if they will be compatible. As the jets in my carb have no groove for a screwdriver. Do you think the standard 5mm jets will work?
The long part stays and the part from pic #2 post #1 gets changed. My micro drills go from 60-80 and the second set goes from 80-100, They have to be drilled by hand with the little bit holder.
 
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