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TORX PLUS® Variations
TAMPER-RESISTANT TORX PLUS® drive
· Tamper-resistant TORX PLUS® recess has five lobes instead of six and a solid post formed in the center of the recess. It’s available for screw diameter over M2.5.
· Tamper-resistant TORX PLUS® bits are under controlled distribution, available only through license screw manufacturers, thus removal is made only by authorized personnel.
· Even destroying the solid post, it’s not possible to remove the screw without the special Tamper resistant TORX PLUS® bit.
![](https://celofasteners.b-ant.dev/img/cms/engineering/drive-systems/torx-plus-tamperprof.png)
TORX PLUS® Tamper resistant
EXTERNAL TORX PLUS® DRIVE SYSTEM
· Designed with the same elliptical configuration than TORX PLUS®, this version allows the highest torque transmission available.
· TORX PLUS® sockets are required for installation and removal, as TORX® sockets are not compatible.
![](https://celofasteners.b-ant.dev/img/cms/engineering/drive-systems/torx-plus-external.png)
TORX PLUS® External
EXTERNAL TORX PLUS® low-profile head
· This version provides higher torque transmission than corresponding internal recesses. Head height similar to pan or indented hex head but lower weight.
· The optimized design minimizes the required space to accommodate head and reduces tool socket wear. It requires special sockets for installation and removal.
![](https://celofasteners.b-ant.dev/img/cms/engineering/drive-systems/torx-plus-external-low-profile.png)
TORX PLUS® External Low Profile
TORX PLUS® STEM
· An external TORX PLUS® configuration, extruded onto one end of the double-end stud, simplifies driving. The improved torsional strength enhances the clamping of the parts.
![](https://celofasteners.b-ant.dev/img/cms/engineering/drive-systems/torx-plus_stem.png)
TORX PLUS® STEM
TORX PLUS® MAXX
· TORX PLUS® MAXX is an improvement of TORX PLUS® STEM which allows for a higher assembly torque.
· This new version eliminates the transition area from the recess to the thread, increasing the breaking torque.
· It requires special sockets for installation and removal.
![](https://celofasteners.b-ant.dev/img/cms/engineering/drive-systems/torx-plus-maxx.png)
TORX PLUS® MAXX