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For over three decades, we've been dedicated to engineering the easiest-to-use, most precise, and most reliable electric screwdrivers with torque and angle control in the industrial market. From day one, our mission has gone beyond building tools—it’s about building partnerships with our customers, rooted in trust, efficiency, and innovation.

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When joining components with threaded fasteners, understanding the balance between torque and material strength is key. In this post, we'll dive into best practices for tightening screws into plastic, focusing on how to achieve optimal clamping force without damaging the threads or compromising long-term joint integrity.

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In previous articles, we have illustrated how to run a torque study to obtain important data about a fastener and joint. In particular, we saw how to determine the rundown phase, the seating point (where the head of the screw fully touches the material at the end of the rundown phase), the torque and angle values at the seating point, and the yield point at which the fastener fails.

Now, we are going to use this information to set the appropriate parameters in Kolver’s K-DUCER precision fastening system. But first, let’s briefly review joint types and how they affect our selection of the right parameters.

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