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  • Rounded top with a flat bottom
  • Zinc Plated Steel
  • Threads near the top of the nut are intentionally imperfect to add shock and vibration resistance
  • Wax treated finish
  • Available in coarse (UNC) thread
  • Often used on vehicles and machinery 
  • Also referred to as Crimp Nuts, Top Lock Nuts, Distorted Thread Locknuts, and Elliptical Offset Nuts

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