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What is the screw length to diameter ratio? How to choose the length to diameter ratio?
1 What is the screw length to diameter ratio? The length of the working part of the screw (the length of the threaded part, also refers to the length of the center line of the feeding port to the end...
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Privacy statement: Your privacy is very important to Us. Our company promises not to disclose your personal information to any external company with out your explicit permission.