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China Square Recessed Pan Head Screw Manufacturer, Supplier, Factory

For industrial and construction applications requiring secure and efficient fastening, the Square Recess Pan Head Screw offers a reliable solution. This screw is designed with a square recess drive, providing increased torque transmission and reduced cam-out compared to traditional Phillips or slotted drives. The pan head design ensures a low-profile, smooth finish, making it suitable for a wide range of surfaces. Whether you're working on machinery, electronics, or furniture assembly, the Square Recess Pan Head Screw delivers superior performance. For applications needing a flush surface finish, consider the Square Recess Countersunk Screw. Alternatively, the Pan Head Screw With Square Recess is ideal when a rounded head is preferred for enhanced clamping force.


The Square Recessed Pan Head Screw is engineered for durability and precision. It is available in various materials, sizes, and finishes to meet diverse application needs. Below are the detailed specifications:

  • Drive Type: Square Recess (Robertson)
  • Head Style: Pan Head
  • Material Options: Stainless Steel, Carbon Steel, Brass
  • Finish Options: Zinc Plated, Black Oxide, Nickel Plated
  • Standards: Complies with ANSI/ASME B18.6.3 and ISO 1207
Size (Inch) Thread Pitch Length (Inch) Head Diameter (Inch)
#4 40 1/4 0.225
#6 32 3/8 0.279
#8 32 1/2 0.332
#10 24 3/4 0.375
1/4 20 1 0.500

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