M8 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	13 mm wide (nut across flats), 6.8 mm tall (nut height), open to the side

Let your AI pull this. Add https://xemstudio.com/mcp to Claude, ChatGPT, Cursor or any MCP client (free, no account, one minute) and it can look up exact sizes, mating fits and free STEP/STL from every chat.

Set it up →

From the full sheet

M8 captive nut slot (side-loaded): every size, notes, mating features and sources. How do you make a side-loaded M8 nut slot?

Other sizes

Block with a 13 mm wide slot from the side, 6.8 mm tall, and a Ø8 screw hole
All parts in their assembled position (each part its own solid)