Floating anchor nut 5/16″-24 (1 Lug)

The .3125-24 UNJF-3B floating anchor nut with a single lug is self locking by elliptical deformation and typically used for blind mounted panels where there’s only space at one side of the nut. The nut element is floating which is ideal for applications where small misalignments occur.



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  • Thread: .3125-24 UNJF-3B
  • Axial tensile strength min.: 7390 lbs
  • Hole diameter: .130″
  • Center to center distance between mounting holes: 0.312″
  • Weight per 100pcs: 0,653 kg = 1.44 lbs
  • Material: DIN 1.7220.3 – 25CrMo4 – AISI 4135/4137
  • Hardness: max. 43 HRC
  • Class: 900 MPa tensile strength
  • Max temperature: 235 °C = 455 °F
  • Surface: cadmium-plated + MoS2 low friction coating

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