EJOT Spiralform® - The self-tapping fastener for steel
Spiralform® overview:
- Suitable for assemblies according to DIN 7500
- Low thread forming torques due to special thread geometry with self-tapping point
- The formed thread corresponds to the metric ISO thread DIN 13
- High strength values and maximum thread engagement due to circular thread cross section
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Reliable steel jointsEJOT Spiralform® screws are special fasteners for reliable and trouble-free metal joints, especially in steel and and stainless steel. Thread-forming and fastening are only one step with this screw. An accurate, tight fitting thread with high strength properties is always formed. This guarantees optimal resistance against loosening under dynamic stress.
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Special thread geometryEJOT Spiralform® screws have four burlings at intervals of 90° which run across the thread in a spiral. This way the VDE requirements for the use of self-tapping screws are met. The Spiralform® Plus point causes very low thread-forming torques. Due to the special formed start of the thread in combination with the circular thread cross section the screw can be applied much easier. The circular cross-section also enables a full thread engagement which results in higher strength properties. High process reliability and consistent thread quality are realised. |
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