|Proper use of flange nuts and bolts|
|Posted by: ihtractor ®
Does anybody know what the proper use is for nuts and bolts with serrated flange heads? If I understand it correctly, they were developed to eliminate the need for washers and make installation simpler. However, I'm wondering how they're "gripping" power compares to a typical hex nut, bolt & lock washer combination when subjected to the same levels of vibration? Does anybody have any real comparison data or know where to look? The manufacturers of flange nuts/bolts that I've checked with don't seem to know. Also, on certain pieces of equipment, I've noticed that some manufacturers only use flange nuts when paired with a flange bolt while others use a typical hex bolt with a flange nut. Is the hex bolt/flange nut combination considered acceptable, or is it just done to save a few bucks? Does it matter what material thicknesses are being bolted together when using flange nuts and bolts? As you can see, I have many questions on this subject.
If you have some knowledge or information, please post.
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