Nut & Bolt Size for Battery Connector Grips?

What are the sizes of the square nuts and bolts used for securing the 3d printed battery connector grips/handles?

2 x #4-48 x 18mm
1 x #4-48 x 12mm
Square nut is 5mm

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, thank you. :pray:

Actually… double those amounts, that is for one side of the connector obviously =]. 6 bolts in total.