he Omni-Lok™ process is a patented method to make bolts and nuts stay in place, regardless of the extent of vibration or temperature stress. Omni-Lok fasteners meet all specifications of MIL-DTL-18240, including those requiring as many as fifteen reuses. Omni-Lok fasteners incorporate single or multiple pins, fully contained in holes located within the thread, and held parallel to the longitudinal axis.