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Countersunk head screw with hexalobular head assortment 1140 pieces in system case 4.4.1. ISO 14581
Countersunk head screw with hexalobular head assortment 1140 pieces in system case 4.4.1. ISO 14581 - 1
Countersunk head screw with hexalobular head assortment 1140 pieces in system case 4.4.1. ISO 14581 - 2

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Countersunk head screw with hexalobular head assortment 1140 pieces in system case 4.4.1. ISO 14581

Steel, strength class 8.8, zinc-plated, blue passivated

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Increased installation productivity with the hexalobular drive



When elements are joined using hexalobular drive (TX) connections, the force is transmitted over a large surface area across the flanks of the drive rather than being centred on one point, as is the case with hexagon socket drives, for example. This has a number of advantages:


  • Reduced tool wear

  • Tool does not slip because force is distributed optimally

  • No damage to surface coating

  • No wobbling

  • Screw locates securely


Hexalobular drives must comply with DIN EN ISO 10664


As a result, connection elements with hexalobular heads are standardised and can be used all over the world