JB Industries is a leading manufacturer and supplier of precision machine components, assemblies, and fasteners. Known for high-quality engineering and reliable performance, the company serves a wide range of industries with customized solutions and timely delivery.

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Slotted Nut


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Slotted Nut

A Slotted Nut (also known as a castle nut or castellated nut) is a specialized fastener featuring slots cut into one end. These slots allow the nut to be securely locked in place using a cotter pin or safety wire, preventing rotation or loosening under vibration. Commonly used in automotive, aerospace, and heavy machinery applications, slotted nuts are ideal where secure locking is critical.

✅ Key Features

  • Shape : Hexagonal with axial slots for cotter pin insertion
  • Thread Type : Coarse (UNC), Fine (UNF), Metric (ISO), or Imperial
  • Sizes Available : M6 to M36 (Metric) / 1/4” to 1-1/2” (Imperial)
  • Grades : 6, 8, 10 (ISO) | Grade 5, 8 (SAE)
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