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Disc-Lock locking nuts are designed to offer maximum reliability in high-stress, vibration-sensitive environments and safety-critical applications. The innovative design uses interlocking cams that create a free-spinning assembly that becomes tighter under shock and vibration. The top threaded hexagon nut features cams underneath and a pilot that retains the washer, while the bottom hex flange washer has a smooth bearing surface and cams on top. This unique design prevents loosening of fasteners due to vibration or shock, ensuring optimal performance and protection against joint integrity issues. These nuts can be used with Grade 5 (Class 8.8), grade 8 (Class 10.9), and stronger bolts, making them suitable for a wide range of applications across various industries, including automotive, aerospace, construction, and machinery manufacturing. Say goodbye to the risks of loose fasteners with Disc-Lock locking nuts and experience unparalleled safety and reliability today.