DIN 934 Hex Nut is a heat treated fastener with a metric thread pitch. Hex nuts are six-sided, internally threaded fasteners, mated with bolts, studs, screws, and other externally threaded products. The addition of the hex nut ensures that the bolt, etc. stays in place.
Following are the specification for DIN 934 Hex Nuts.
Nominal Size | Thread Pitch | F | H | ||
---|---|---|---|---|---|
Width Across Flats | Thickness | ||||
Max | Min | Max | Min | ||
M2 | 0.4 | 4 | 3.82 | 1.6 | 1.35 |
M2.5 | 0.45 | 5 | 4.82 | 2 | 1.75 |
M3 | 0.5 | 5.5 | 5.32 | 2.4 | 2.15 |
M4 | 0.7 | 7 | 6.78 | 3.2 | 2.9 |
M5 | 0.8 | 8 | 7.78 | 4 | 3.7 |
M6 | 1 | 10 | 9.78 | 5 | 4.7 |
M8 | 1.25 | 13 | 12.73 | 6.5 | 6.14 |
M10 | 1.5 | 17 | 16.73 | 8 | 7.64 |
M12 | 1.75 | 19 | 18.67 | 10 | 9.64 |
M16 | 2 | 24 | 23.67 | 13 | 12.3 |
M20 | 2.5 | 30 | 29.16 | 16 | 14.9 |
All measurements are in millimetres(mm).