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 Head Bolt

A Square Head Bolt is a bolt featuring a four-sided (square) head, providing a larger gripping surface for wrenches and greater resistance to rounding compared to hex bolts. Commonly used in vintage machinery, structural assemblies, and architectural restorations, square head bolts also offer a traditional look and are ideal for applications where a wrench may need to grip from multiple angles.

✅ Key Features

  • Shape : Square (4-sided) for improved grip and torque control
  • Thread Type :Coarse & Fine Metric (ISO) and UNC (Coarse), UNF (Fine) Imperial (UNC/UNF).
  • Sizes Available : M6 to M30 (Metric) / 1/4” to 1-1/4”(Imperial)
  • Grades : 4.6, 8.8, 10.9(ISO) | 2, 5 (SAE)
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