SKU: ALL16044-10
UPC: 848238066579
MPN: ALL16044-10
Serrated flange nuts 1/2-13 are essential fastening components designed for applications requiring vibration resistance and secure locking under operational stress. This 10-pack set provides reliable fastening solutions for machinery, automotive, industrial equipment, and structural assemblies where standard hex nuts may loosen due to constant movement or shock loads. The serrated flange design creates a mechanical lock that resists vibration better than conventional nuts, making these fasteners ideal for technicians, mechanics, and maintenance professionals who demand dependable hardware performance.
Each nut features a 1/2-13 thread specification—1/2 inch diameter with 13 threads per inch—and is manufactured from steel in natural finish for corrosion resistance and durability. The serrated flange underneath the hex head creates a wavy contact surface that bites into mating surfaces, generating friction and preventing self-loosening even under repeated vibration exposure. The hex head design ensures compatibility with standard sockets and wrenches, while the flange distributes clamping force over a larger area than traditional nuts, reducing surface deformation and extending fastener lifespan in demanding applications.
Technicians and engineers rely on serrated flange nuts for critical assemblies including motor mounts, suspension components, equipment attachment points, and any joint subject to cyclic stress or constant vibration. The 10-piece set ensures sufficient inventory for complete projects or repairs without requiring multiple purchases. Replacement and new construction applications benefit from the permanent locking characteristics these nuts provide—once properly torqued, they remain secure throughout the service life of the equipment without loosening, eliminating costly downtime and safety hazards associated with fastener failure.
WARNING ⚠️ You must be 18 or older to purchase shotgun or rifle ammunition and 21 or older to purchase handgun ammunition and firearms. Please reference our requirements for ammunition orders to "restricted" states HERE. Always make sure you use the correct ammunition for your firearms. Ammo cannot be shipped to a PO Box. Please reference state & local laws before making a firearm or ammunition purchase.