Is this type of nut useful? Please give me some advice. .
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This post was last edited by laowu@sinopec on 2017-8-6 at 12:09: file:///C:\Users\LENOVO\AppData\Local\Temp\ksohtml\wpsDCFA.tmp.png file:///C:\Users\LENOVO\AppData\Local\Temp\ksohtml\wps2D9A.tmp.png. Is this type of bolt connection, as shown in the image, better or worse than traditional hex nuts?
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Please explain in detail the installation sequence; I don’t understand it: 1. Round nut 6 – was a puller used, and are there any holes on it? 2. Are the 5 hard flat washers and screws integrated?
This is called a multi-stage thrust pre-tightening bolt; I have never seen it used in production. After searching online, I found an article on Baidu Wenku that explains it: Why use multi-stage thrust pre-tightening bolts? https://wenku.baidu.com/view/fc85687c767f5acfa1c7cdc3.html Those who have used them in actual production could please provide more details.
Can it be used just by turning it smaller, without the need for an expander? I don’t know what the price is, nor whether they can completely replace the old nuts. Is the size the same as the old one?