DIN6927 Titanium Prevailing Torque Type Hexagon Flange Nuts-All-Metal are used on static products or machinery,tighten the threaded male connector or other fittings,is an anti-loosening measure.
The DIN6927 Titanium Prevailing Torque Type Hexagon Flange Titanium Nuts is two identical nuts screwed on the same bolt, and a tightening torque is added between the two nuts to make the bolt connection reliable. The working principle is self-locking with friction between the nut and the bolt. However, the reliability of this self-locking is reduced under dynamic loads. In some important occasions, we will take some anti-loosening measures to ensure the reliability of the nut locking.
Titanium lock nuts with DIN6927 Prevailing Torque Type Hexagon Flange Nuts-All-Metal Dimension and drawings shown as below:
d | M5 | M6 | M8 | M10 | M12 | (M14) | M16 | M20 | ||
P | Pitch | coarse teeth | 0.8 | 1 | 1.25 | 1.5 | 1.75 | 2 | 2 | 2.5 |
fine teeth1 | / | / | 1 | 1.25 | 1.5 | 1.5 | 1.5 | 1.5 | ||
fine teeth2 | / | / | / | (1.0) | (1.25) | / | / | / | ||
c | min | 1 | 1.1 | 1.2 | 1.5 | 1.8 | 2.1 | 2.4 | 3 | |
da | min | 5 | 6 | 8 | 10 | 12 | 14 | 16 | 20 | |
max | 5.75 | 6.75 | 8.75 | 10.8 | 13 | 15.1 | 17.3 | 21.6 | ||
dc | max | 11.8 | 14.2 | 17.9 | 21.8 | 26 | 29.9 | 34.5 | 42.8 | |
dw | min | 9.8 | 12.2 | 15.8 | 19.6 | 23.8 | 27.6 | 31.9 | 39.9 | |
e | min | 8.79 | 11.05 | 14.38 | 16.64 | 20.03 | 23.36 | 26.75 | 32.95 | |
h | max | 6.2 | 7.3 | 9.4 | 11.4 | 13.8 | 15.9 | 18.3 | 22.4 | |
m | min | 4.7 | 5.7 | 7.6 | 9.6 | 11.6 | 13.3 | 15.3 | 18.9 | |
mw | min | 2.2 | 3.1 | 4.5 | 5.5 | 6.7 | 7.8 | 9 | 11.1 | |
s | max=DK | 8 | 10 | 13 | 15 | 18 | 21 | 24 | 30 | |
min | 7.78 | 9.78 | 12.73 | 14.73 | 17.73 | 20.67 | 23.67 | 29.16 | ||
r | max | 0.3 | 0.36 | 0.48 | 0.6 | 0.72 | 0.88 | 0.96 | 1.2 |
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