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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Square Nut

A Square Nut is a four-sided fastener typically used with bolts, threaded rods, and other externally threaded components. Its larger surface area in contact with the part offers greater resistance to loosening, making it ideal for applications where a strong and secure hold is essential, especially in older machinery, woodworking, and architectural restoration.

✅ Key Features

  • Shape : Square (4-sided) for increased surface contact and anti-loosening performance
  • Thread Type : Coarse (UNC), Fine (UNF), Metric (ISO), or Imperial
  • Sizes Available : M3 to M48 (Metric) / 1/4” to 1-1/2” (Imperial)
  • Grades : Grade 4, 6, 8, 10 | Grade 2, 5, 8 (SAE)
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