1/4-28 UNJF 18-8 Hex Lock Nut with Expanding Flex Top MPN:50FK-428

This 1/4-28 UNJF stainless steel hex lock nut comes with an expanding flex top that provides extra holding power, making it ideal for heavy-duty applications where maximum torque is required. The nut features grade 18-8 and measures 0.699 in diameter with an overall length of 0.723. With a 3/8 diameter body, the nut provides ample surface area to provide grip onto bolt heads or threaded rods while ensuring secure fastening through its self-locking hexagonal design preventing accidental loosening over time due to vibration, thermal expansion, or other factors common in dynamic environments. These nuts are widely used by industrial engineers and DIY enthusiasts alike for their strength, reliability and precision performance across numerous industries including automotive, construction and manufacturing, among many others that require top-notch fastening solutions without compromise.