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Metalworking (rec.crafts.metalworking) Discuss various aspects of working with metal, such as machining, welding, metal joining, screwing, casting, hardening/tempering, blacksmithing/forging, spinning and hammer work, sheet metal work. |
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Request for recommendation for self locking nuts with highestresistance to removal
Hi everyone,
I'm hoping someone having experience with self locking nuts can help me with the following. At mcmaster.com I found four types of self locking nuts I can use on a 1/4-28 thread bolt. I just want to snug the nut down on the bolt to take up any linear or axial play, but I'm not going to really torque the nut down with any significant force. I could use loc-tite to keep the nut from backing off but I want to try a self locking nut. I have listed my choices from www.mcmaster.com below. I need to know which nut will provide the most resistance to removal with a wrench. There are no vibrations or anything in the application, I just need to know which self locking method will provide the most resistance to removal with a standard wrench. The nut will never be removed or reused after it's snugged down. If you could also list them in order of most resistance to least resistance that would be great. If you are aware of any information or online reference for actual forces required to loosen the nuts, that would also be very helpful. 90566A210 (Nylon insert type Lock nut) 94830A515 (Expanding type lock nut) 91837A250 (Distorted thread type lock nut, top-lock style) 90040A120 (Distorted thread type lock nut, center-lock style) I would appreciate any feedback or experiences with self locking nuts. Thanks John |
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