China Pan head screw with square groove Manufacturer, Supplier, Factory

Unlock Superior Fastening Performance with Pan Head Screw with Square Groove

In precision engineering and industrial applications, the choice of fasteners can significantly impact efficiency and reliability. The Pan Head Screw With Square Slot exemplifies durability and ease of use, making it a top pick for assembling machinery, furniture, and electronic devices. Its unique square groove design allows for secure engagement with standard screwdrivers, minimizing slippage and wear over time. Similarly, the Square Slotted Pan Head Screw offers excellent torque transmission and resistance to cam-out, ensuring tight fits in demanding environments. For applications requiring a flush finish, the Square Socket Countersunk Flat Head Screws provide a sleek profile while maintaining the benefits of square drive systems. These screws are crafted from high-grade materials to withstand corrosion, vibration, and heavy loads, enhancing the longevity of your projects. By integrating these reliable fasteners, businesses can streamline assembly processes, reduce maintenance costs, and achieve consistent results across various sectors, from automotive to construction.


The Pan Head Screw with Square Groove stands out as a versatile and robust solution for countless fastening needs. This product features a low-profile, rounded head that distributes pressure evenly, reducing the risk of surface damage. It is engineered with a precise square recess that ensures optimal driver engagement, allowing for higher torque application without stripping the screw head. Common specifications include a wide range of sizes, from #2 to 1/2 inch diameters, and lengths varying between 1/4 inch to 3 inches to accommodate diverse project requirements. Materials such as stainless steel, carbon steel, and brass are available, often coated with zinc plating or black oxide for enhanced corrosion resistance. Thread types cover coarse and fine pitches, adhering to standards like UNC and UNF, while the drive system is exclusively square to match compatible tools. Below is a detailed breakdown of key parameters presented in a list and table for clarity:

  • Head Type: Pan head with a flat bearing surface
  • Drive Type: Square groove (square recess)
  • Material Options: Stainless steel (Grade 304 or 316), carbon steel (Grade 2, 5, or 8), brass
  • Surface Finishes: Zinc plating, black oxide, plain, or galvanized
  • Thread Standards: UNC (Unified Coarse) or UNF (Unified Fine)
  • Common Applications: Automotive assemblies, electronics, furniture, and machinery
Size (Diameter x Length) Material Drive Size Thread Pitch Tensile Strength (MPa)
#4 x 1/2" Stainless Steel 304 #1 Square UNC 20 ≥500
#6 x 3/4" Carbon Steel Grade 5 #2 Square UNC 20 ≥800
#8 x 1" Brass #2 Square UNF 24 ≥400
1/4" x 1-1/2" Carbon Steel Grade 8 #3 Square UNC 13 ≥1000
3/8" x 2" Stainless Steel 316 #3 Square UNF 16 ≥600

Hot Products

  • Torque Type Hexagon Nuts

    Torque Type Hexagon Nuts

    Torque type hexagon nuts have a hex shape but are flatter than regular nuts, so they take up less space.Xiaoguo® ships to more than 120 countries. Most orders arrive within 15 days and we work with our customers to customize OEM/ODM solutions.
  • Swing Eye Bolts

    Swing Eye Bolts

    Xiaoguo® supplies Swing Eye Bolts from China are widely used in construction, shipping and industrial equipment. They have stable structure and strong rust resistance. We are experienced China Swing Eye Bolts suppliers supporting customized sizes. All products follow standard production processes to ensure consistent performance.
  • Slotted Hexagon Lock Nut

    Slotted Hexagon Lock Nut

    If you need a straightforward anti‑loosening fix, Xiaoguo® Slotted Hexagon Lock Nut does the job. Slots line up with standard cotter pins—torque it and it stays put under vibration. Threads are clean with no burrs, so installation is smooth. Ask for discount Slotted Hexagon Lock Nut when you’re ready to order.
  • BSPT Male Internal Hex Plug

    BSPT Male Internal Hex Plug

    When using the Xiaoguo® inventory BSPT Male Internal Hex Plug, they can be reused. However, you need to re-wrap the tape or apply sealant to them before they can be used again, thereby reducing the cost of repeated purchases.
  • Plain Washer

    Plain Washer

    Plain washers are just thin, flat circles with a hole in the middle. People often use them in mechanical stuff to spread out the load and cut down on friction.Specializing in OEM/ODM projects, Xiaoguo® works closely with clients to create custom fasteners based on drawings or samples, supporting unique design requirements.
  • Forged for Performance Headed studs

    Forged for Performance Headed studs

    Forged For Performance Headed Studs from Xiaoguo®, a trusted manufacturer, provide competitive pricing without compromising on performance or reliability. In short, the integrity and longevity of modern steel frame structures depend largely on the reliability of these studs..

Send Inquiry

X
We use cookies to offer you a better browsing experience, analyze site traffic and personalize content. By using this site, you agree to our use of cookies. Privacy Policy
Reject Accept