M6 hex nut, in place

Exact dimensions. True size, no printing tolerance added. Threads are plain cylinders at the major diameter.

STEP STL free, Xem Studio Design License — Xem Studio

Dimensions

dimension	slot
value	10 mm wide (nut across flats), 5.2 mm tall (nut height), open to the side

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From the full sheet

M6 captive nut slot (side-loaded): every size, notes, mating features and sources. How do you make a side-loaded M6 nut slot?

Other sizes

Block with a 10 mm wide slot from the side, 5.2 mm tall, and a Ø6 screw hole
All parts in their assembled position (each part its own solid)