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DIN 935-1 M8 hexagon slotted nut
DIN 935-1 M8 hexagon slotted nut: hex 13 mm across flats, height 9.5, unslotted height 6.5, six slots 2.75 mm wide (n max) and 3 mm deep, bore Ø8 (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
| size | M8 |
|---|---|
| P (mm) | 1.25 |
| s (AF) | 13 |
| e min | 14.38 |
| m (height) | 9.5 |
| w (unslotted height, as read) | 6.5 |
| n slot width (min – max) | 2.5 – 2.75 |
| ds max (collar, M12+) | — |
| cotter pin d × l (DIN 94, mm) | 2 × 16 |
| slot depth m − w (computed) | 3 |
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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?