Slurry leakage, accelerated worn liners, broken bolts occur when bolt preload is too low. Bolt preload is determined by the torque used to install the fastener. Preload scattering almost always occurs, causing some bolts to have less preload than others. HARDLOCK® is the solution preventing small/ medium preloaded bolts from loosing even more clamp force, which leads to slurry leakage, accelerated worn liners and broken bolts.

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