Product News Backup Wrench Applications alkitronic® backup wrench prevents self-holding the nuts from spinning during the tightening and loosening of a bolt. To release the tension over the adjusting screw, easily and quickly remove the backup wrench, which is clamped firmly against the support after mounting. The support on the backup wrench is fixed with a bolt. After tightening the fixation bolt must be loosened and the backup wrench released. This method is the most flexible and secure one. The alkitronic® backup wrench consists of a handle and a cartridge with different AF sizes. Advantages The alkitronic® backup wrench with the cartridges has less total weight than a one-piece construction. Strong and sturdy version for robust working Ergonomic and safe handling Compact design Mechanical function – no hydraulic After the application easy and simple detachment For use with or without handle Waiving inadequate tightening/loosening using screwdrivers, clamping tongs, socket spanners, etc. Technical Data / Standard Products Cartridges AF (mm) 46 TORQUE POWER WORLDWIDE alkitronic® products Made in Germany by alki TECHNIK GmbH Development, Production and Distribution of Bolting Systems Unterlettenweg 4 85051 Ingolstadt/Germany alkitronic® backup wrench in use on the bolt circle in a wind power plant. alkitronic® backup wrench with handle. ©alki TECHNIK /backup wrenchl/2/06.12.16/ Technical Details are subject to be changed without prior notice