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DIN 935-1 M16 castle nut (collar Ø22)

DIN 935-1 M16 castle nut (collar Ø22): hex 24 mm across flats, height 19, unslotted height 13, six slots 4.8 mm wide (n max) and 6 mm deep, bore Ø16 (thread major diameter as a plain cylinder); no chamfers, no thread, no countersink

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

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Dimensions

sizeM16
P (mm)2
s (AF)24
e min26.75
m (height)19
w (unslotted height, as read)13
n slot width (min – max)4.5 – 4.8
ds max (collar, M12+)22
cotter pin d × l (DIN 94, mm)4 × 28
slot depth m − w (computed)6
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From the full sheet

Slotted and castle nuts, DIN 935-1, M4–M36: across flats, height, slot width, collar, cotter pin size + envelope models: every size, notes, mating features and sources. What are the dimensions of a DIN 935 castle nut or slotted nut, and what cotter pin does it take?

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