Library › Hardware › Nyloc lock nuts, M2.5–M8

DIN 985 M5, 8.0 AF × 5.0 high

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

thread	M5
width_af_mm	8.0
height_mm	5.0

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From the full sheet

Nyloc lock nuts, M2.5–M8 (DIN 985): every size, notes, mating features and sources. How thick is an M3 nyloc nut?

Other sizes

DIN 985 M2.5, 5.0 AF × 2.9 high
DIN 985 M3, 5.5 AF × 4.0 high
DIN 985 M4, 7.0 AF × 5.0 high
DIN 985 M6, 10.0 AF × 6.0 high
DIN 985 M8, 13.0 AF × 8.0 high