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Fasteners Feature Unique Geometries

ITW Shakeproof's Wercs technology allows for the formation of unique geometries on the thread.


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ITW Shakeproof is showcasing its new Wercs Technology that allows for the formation of unique geometries on the thread. Two new products have been created that increase performance of these fasteners:

● BosScrew thread-forming screw for plastics is said to be the only screw specifically designed not to loosen. During thread rolling, pressure wells are added to the top flank of the thread. When the screw is installed, plastic will flow into these pressure wells, interlocking with the plastic. These features create an “uphill battle” for loosening even during vibration and temperature change.

● GripTide insert is a low-cost steel insert for plastics that reportedly surpasses brass inserts in quality, cost and performance. This insert utilizes cold forming and rolling to give a unique feature on the outside of the insert; it creates a permanent mechanical interference locking it in plastics. GripTide has best-in-class anti-rotation and high pullout. The pattern is compatible with all insert techniques and excels when using induction or insert-molding systems.