Xem Studiomeasured geometry

Library › Hardware › Bearing locknuts KM, DIN 981 / ISO 2982-2: KM0–KM10…

KM0 M10x0.75

KM0 M10x0.75: Ø18 × 4, 4 slots 3×2, thread as Ø10 bore

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

STEP STL free, CC BY 4.0 (credit "Xem Studio")

Dimensions

sizeKM0
threadM10x0.75
d218
d113.5
B4
b3
h2
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

Bearing locknuts KM, DIN 981 / ISO 2982-2: KM0–KM10 (M10×0.75–M50×1.5) outside diameter, width, slots: every size, notes, mating features and sources. What are the KM locknut (DIN 981) dimensions, from KM0 M10×0.75 to KM10 M50×1.5?

Other sizes