ArticlesFastener Focus

Optimizing Installation Space and Performance with Thread Tapping Screws

When joining lightweight metals, the focus is on the installation space available and on optimizing performance and cost, as well as on the reliability of the fastening. And in light of that, an important point is the optimization of the fastening’s load capacity.

Arnold Umformtechnik GmbH & Co. KG, Forchtenberg-Ernsbach, Germany, developed the Powertite fastener to cope with such situations — a round self-tapping screw with a trilobular tapping zone. In other words, where the forming work is taking place, the screw has a slightly triangular cross section (with rounded edges) to reduce the tapping torque.

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