![](https://upload.wikimedia.org/wikipedia/commons/thumb/5/5f/Thread_angle.svg/800px-Thread_angle.svg.png)
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engineer-mechanical:inventor-threads - Jeffery J Jensen Wiki
واژه معادل تخصصی فارسی reflex angle در فرهنگستان
![](https://upload.wikimedia.org/wikipedia/commons/thumb/e/e1/American_Machinists_Handbook--2e--p21--v001.png/220px-American_Machinists_Handbook--2e--p21--v001.png)
Screw thread - Wikipedia
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Thread turning application tips
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Angle Chart Printable - ClipArt Best
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Screw thread - Wikipedia
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File:Screw-Threaded Mechanism.jpg - Wikipedia
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Angle Chart Printable - ClipArt Best
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File:Acme thread.svg - Wikipedia
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Thread pitch gauge - Wikipedia
![](https://threadingtoolsguide.com/wp-content/uploads/all-thread-types-01.jpg)
The 13 most important thread types you should know - Threading
واژه معادل تخصصی فارسی azimuth angle در فرهنگستان
![](https://upload.wikimedia.org/wikipedia/commons/thumb/4/4a/Thread_Tr.svg/1280px-Thread_Tr.svg.png)
File:Thread Tr.svg - Wikimedia Commons
![](https://qph.cf2.quoracdn.net/main-thumb-2047320620-200-aayzdbhivyywcradjyiskimixuipcsbt.jpeg)
How is threading operation in lathe machine performed? - Quora
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What are the steps for producing a square head bolt using a lathe? - Quora
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