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The thin-profile nylon-insert locknut combines the durability of galvanized steel with the self-locking of a nylon insert, which provides a secure and reliable fastening solution. The nylon insert is designed to resist loosening, even in harsh conditions with high vibrations and impacts, ensuring long-lasting stability for machinery and equipment.
The nylon insert inside the locknut provides superior locking by creating friction between the nut and the bolt. The elasticity and wear resistance of the nylon material help absorb and resist vibration and shock, keeping the nut securely in place even in demanding environments.
Like standard nuts, these thin-profile nylon-insert locknut can be installed with no special tools. Just need to thread the nut onto the bolt, and the nylon insert will do the rest. It is reused multiple times to help reduce long-term maintenance and replacement costs.
The thin-profile nylon-insert locknut is versatile, cost-effective, and highly durable for use in a wide range of industries, like in automotive, aerospace, or heavy machinery, this locknut ensures the connections stay tight, even under the most challenging conditions.
Specification

|
Diameter |
Pitch |
M |
H |
S |
|
M3 |
0.5 |
2.8 - 3.2 |
3.6 - 4 |
5.5 |
|
M4 |
0.7 |
3.4 - 3.6 |
4.5 - 5 |
6.8 |
|
M5 |
0.8 |
3.5 - 3.7 |
4.5 - 5 |
7.85 |
|
M6 |
1 |
4 - 4.2 |
5.7 - 5.8 |
9.8 |
|
M8 |
1.25 |
5.2 - 5.5 |
7 - 7.2 |
12.9 |
|
M10 |
1.5 |
6.7 - 6.9 |
9.1 - 9.3 |
16.6 |
|
M12 |
1.75 |
7.6 - 7.9 |
10.5 - 11 |
18.6 |
|
M14 |
2 |
9.2 - 9.8 |
13 |
21.86 |
|
M16 |
2 |
10.5 - 10.7 |
15.1 |
23.7 |
|
M20 |
2.5 |
14 - 14.3 |
17.3 |
29.6 |
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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