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Your cart is empty. Nylon lock nut is a round nut, and in its outer open four small slot, you can use the crescent wrench screw on the stud, the lock nut should be equipped with a shaft Washer, it can be used to make the small groove on the stud and its peripheral groove relative to the fixed, to prevent its loose.
Bolt thread on the nuts embedded in the nylon extrusion, making the nylon deformation, after installation, the nylon and thread completely squeeze contact, the extruded nylon to the bolt A lot of resilience, increased friction, so that the bolt is not easy to loose.
John M. Wong
2025-09-01 14:35:16
Good quality and price.
Carlos Elliott
2025-07-28 10:49:26
I got them as they were the size I needed seam like good nuts
Secret Agent
2025-07-20 12:26:37
Worked fine, nylon lock is what I needed, and stainless for water immersion. Threads are correct fit for M4 screws.I bought too many but the price was good, now I have plenty for other projects.
Terry R Maxwell
2025-06-04 13:52:10
These are just as advertised. Delivered quickly and worked great for my project.
Don
2025-04-25 18:45:42
I had a bunch of M4 bolts that I wanted to use but no nuts to go with them. These fit the bill and have nylon locks to boot. The price was great on these and of course they fit!
Gumby
2025-04-17 17:28:09
Good quality and nicely priced
Andrew D. Esquivel
2025-04-09 09:13:53
Exactly as described
CJ E.
2025-02-11 19:32:51
They work great. Nylon lock ring keeps them from backing off under vibrations/load. I've been using them to secure some of the M4 screws on my 3D printer and none have backed off yet after weeks.
Chadwick Derocher
2025-01-29 13:54:38
These locking nylon lined nuts work great just like a shakeproof washer
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