VCN150 Vandlgard Zinc

A low torque, frangible (break-a-way) nut, installed with a standard wrench and removable by authorized persons by a special procedure. Intended for mounting traffic signs with zinc plated steel bolts. Available only in 5/16-18 thread size.


  • Wrenching Element Breaks Off At Predetermined Torque
  • Can't be removed with standard hand tools. Tightness is not determined by judgment of installer.
  • Threaded Portion Is Tapered
  • Can't be gripped with pliers and has attractive finish.
  • Die Cast From Zinc Alloy
  • No corrosion at break-groove.
  • Reduced Break-Off Torque
  • Lowers clamp load to avoid damage to parts being assembled.
  • Nuts Are Packed In Bags Of 100
  • Better inventory control.
  • Lot Number On Each Bag Of Nuts
  • Traceable to raw material.

Tech Specs

  • Material
  • Zinc Die Cast
  • Finish
  • Natural
  • Diameter
  • 5/16-18
  • Torque (Breakoff)
  • Low 
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