Extruder Screw Size

Can anyone tell me the size of the (3) black screws that hold the extruder on?

Untitled 2

~5.8mm thread length (assumed 6 nominal)
~5.4 x 1.4mm cylindrical head (dia x height, assumed 5.5 x 1.5 nominal)
2mm internal hex

For the lower left screw the relatively low head height is required to not interfere with the cutter arm & torsion spring.

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