China Pan Head Screws With Square Socket Manufacturer, Supplier, Factory

Understanding Pan Head Screws With Square Socket

When it comes to reliable fastening solutions, Pan Head Screws With Square Socket are a top choice for professionals in various industries. These screws are designed with a distinctive domed head and a square recess, which provides superior torque transfer and reduces the risk of cam-out compared to traditional Phillips or slotted drives. This makes them ideal for applications where high torque is required and fastener head stripping must be avoided. For projects demanding a flush finish, Square Socket Countersunk Flat Head Screws are an excellent alternative, seamlessly sinking into the material surface. Meanwhile, our Square Socket Pan Head Screws offer the same reliable square drive with a low-profile, rounded head, perfect for general assembly work. Another variant, the pan head screw with square groove, combines this effective drive system with a specific head style for enhanced performance in mechanical assemblies. These fasteners are commonly used in automotive, aerospace, machinery, and electronics due to their strength, durability, and ease of installation with a corresponding square key or driver bit.


The Pan Head Screws With Square Socket are engineered for maximum performance and longevity. Manufactured from high-grade materials, these screws offer excellent resistance to corrosion and wear. The square socket design ensures a positive grip, allowing for higher tightening torques without damaging the screw head. This is particularly important in automated assembly lines where consistency and speed are critical. The pan head provides a larger bearing surface, which helps distribute clamping force more evenly and reduces the risk of damage to the assembled parts. Available in a wide range of sizes and materials, including stainless steel, alloy steel, and brass, Pan Head Screws With Square Socket can be tailored to meet specific environmental and load-bearing requirements. They are also available with various plating and coating options for added protection against harsh conditions.

Key Features of Pan Head Screws With Square Socket:

  • Domed pan head for a larger bearing surface.
  • Square socket drive for high torque application and reduced cam-out.
  • Available in multiple materials: Stainless Steel, Alloy Steel, Brass.
  • Various surface treatments: Zinc Plated, Black Oxide, Galvanized.
  • Precision threads for secure fastening.
  • Wide size range to fit different applications.

Detailed Product Specifications

Size (Diameter x Length) Material Drive Size Head Diameter Tensile Strength (MPa) Standard
M4 x 10mm Stainless Steel 304 SQ2 8.0mm 500 Min DIN 7985
M5 x 12mm Alloy Steel SQ3 9.5mm 800 Min ISO 7380
M6 x 16mm Brass SQ4 11.5mm 400 Min DIN 7985
M8 x 20mm Stainless Steel 316 SQ5 15.0mm 600 Min ISO 7380
M10 x 25mm Alloy Steel SQ6 18.0mm 1000 Min DIN 7985

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