Xem Studiomeasured geometryLibrary › Hardware › Hex nuts M8, M10, M12, 3/8 in and 1/2 in
1/2 in hex nut, 19.05 across flats × 11.11
1/2 in hex nut, 19.05 across flats × 11.11: the flywheel weight
Exact dimensions. True size, no printing tolerance added. Threads are plain cylinders at the major diameter.
STEP STL free, CC BY 4.0 (credit "Xem Studio")
Dimensions
| file | nut-1-2in |
|---|---|
| thread | 1/2 in |
| across flats | 19.05 |
| across corners | 22.0 |
| thickness | 11.11 |
| bore | 12.7 |
Let your AI pull this. Add
Set it up →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.From the full sheet
Hex nuts M8, M10, M12, 3/8 in and 1/2 in (flywheel weights): every size, notes, mating features and sources. What are the dimensions of the hex nuts that fill the flywheel pockets?