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M16 DIN 557 square nut envelope
M16 DIN 557 square nut envelope: 24 × 24 mm square (s), 13 mm thick (m), plain Ø16 bore at the thread major; corners are square, so the corner distance is 33.9 mm against the printed e max 33.9; no chamfer or thread
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
| thread | M16 |
|---|---|
| P (mm) | 2 |
| s (square side) | 24 |
| e max (across corners) | 33.9 |
| m (thickness) | 13 |
| mw min | 8.6 |
| dw min | 22 |
| CDE F / G / H | 24 / 33.9 / 13 |
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Square nuts, DIN 557: M5–M20 width across flats, thickness, corner distance + 8 envelope files: every size, notes, mating features and sources. What are the dimensions of a DIN 557 square nut, and how big a slot does an M6 square nut need?