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The locknuts for use with cotter pins are specially designed to securely fasten components such as wheels and axles, ensuring the reliable and safe operation of vehicles and machinery. These locknuts are commonly used to fix front and rear wheel axles in place, keeping the vehicle's frame and tires tightly connected.
When installing the locknut on the wheel axle, the axle bolt must be drilled at both ends to allow for the cotter pin to pass through. The locknut is threaded onto the axle bolt, and as it is tightened, the cotter pin is inserted through the slot in the nut, passing through the hole in the axle bolt. The pin locks the nut in place, ensuring that it will not loosen in motion.
The locknuts for use with cotter pins are commonly used in automotive, agricultural, and industrial machinery to secure wheel axles to frames, ensuring safe and stable operation. And ideally for use in equipment that experiences high vibrations and shocks, such as construction machinery, trucks, and agricultural vehicles.
These locknuts for use with cotter pins are the ideal solution for securing components like axles, wheels, and more, especially in vehicles and machinery that require reliable, vibration-resistant connections. The combination of slot and cotter pin ensures maximum security, giving you peace of mind during operation.
Specification

|
Diameter |
s |
m |
n |
|||
|
max |
min |
max |
min |
max |
min |
|
|
M5 |
8 |
7.64 |
7.6 |
6.1 |
2 |
1.4 |
|
M6 |
10 |
9.64 |
8.9 |
7.4 |
2.6 |
2 |
|
M8 |
13 |
12.57 |
10.94 |
9.14 |
3.1 |
2.5 |
|
M10 |
16 |
15.57 |
13.54 |
11.74 |
3.4 |
2.8 |
|
M12 |
18 |
17.57 |
17.17 |
15.37 |
4.25 |
3.5 |
|
M14 |
21 |
20.16 |
18.9 |
16.8 |
4.25 |
3.5 |
|
M16 |
24 |
23.16 |
21.9 |
19.8 |
5.7 |
4.5 |
|
M20 |
30 |
29.16 |
25 |
22.9 |
5.7 |
4.5 |
|
M24 |
36 |
35 |
30.3 |
27.8 |
6.7 |
5.5 |
|
M30 |
46 |
45 |
35.4 |
32.4 |
8.5 |
7 |
|
M36 |
55 |
53.8 |
40.9 |
38.4 |
8.5 |
7 |
Product Picture






Production Process










Quality Control









Surface Treatment
Offer a variety of surface treatments for our screws to meet different needs and environmental conditions. Such as zinc plating, nickel plating, hot-dip galvanizing, anodizing, zinc nickel alloy, dacromet coating, phosphating, etc.

Custom Service
With 18 years of experience in the fasteners area, Zeyao Hardware specializes in manufacturing custom fasteners, including screws, bolts, nuts, rivets, standoffs, spacers, wrenches, pins, and more. Welcome to send your inquiries to get a free quote.

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