Self-Locking Counter Nuts
Standard: DIN7967
Drive mode:External hex nuts
Fastener type:Lock
Products Description
large enterprise scale
Self-Locking Counter Nuts, also known as hexagonal slotted closing locking nuts, are a type of mechanically fixed locking nut. Its design feature is that there are 6 evenly distributed stop grooves in the circumferential direction of the nut. When used with corresponding bolts, the tightness of the nut can be controlled by adjusting the position of the bolt. The closing size of this nut can be directly controlled by special tools, such as a taper thread plug gauge, to ensure that the closing size of the locking area is within a certain range, thereby ensuring the locking performance of the nut.
Products application
Application situation
Self-Locking Counter Nuts are often used in situations where vibration or impact is required, such as lifting equipment, artillery, presses, die-casting machines, etc. In these situations, in order to prevent the nut from loosening, it is usually used in conjunction with a cotter pin. The cotter pin passes through the slot of the nut and the hole of the screw to form an anti-loosening mechanism that can remain stable even when the vehicle is moving.
Products Parameter
|
Unit：mm |
|||
|
D |
P |
k |
S |
|
M4 |
0.7 |
2.5 |
7 |
|
M5 |
0.8 |
2.5 |
8 |
|
M6 |
1 |
3 |
10 |
|
M8 |
1.25 |
3.5 |
13 |
|
M10 |
1.5 |
4 |
17 |
|
M12 |
1.75 |
4.5 |
19 |
|
M14 |
2 |
5 |
22 |
|
M16 |
2 |
5 |
24 |
|
M18 |
2.5 |
5.5 |
27 |
|
M20 |
2.5 |
6 |
30 |
|
M22 |
2.5 |
6 |
32 |
|
M24 |
3 |
7 |
36 |
Products feature
Hexagonal slot
There is a slot on each of the six upper faces of the Self-Locking Counter Nuts, which are used in conjunction with the cotter pin holes on the bolt to prevent the bolt and nut from rotating relative to each other.
Closure design
There is a closing at the tail, the size of which can be controlled by special tools to ensure that the size of the locking area is within a certain range.
Self-locking performance
This nut has a certain self-locking performance, which can maintain the stability of the threaded connection without an external locking device.
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