Stainless Steel A2 Pan Head Self-Tapping Screw DIN 7981C 3.9x13mm Pack of 200 pieces

Product

Stainless steel A2 pan head sheet metal screws DIN 7981C, size 3.9x13mm, are supplied in packs of 200 pieces. Designed for secure fastening in sheet metal, plastics, and composite materials, they offer reliability in construction and assembly applications.

Specifications

• Made from A2 stainless steel for corrosion resistance and long-term performance
• Conforms to DIN 7981C standard with a cylindrical (pan) head and gimlet (cone) point
• Features a cross (Philips or Pozidriv) drive for efficient installation
• Suitable for use in environments exposed to humidity or weather
• Fully threaded for a secure grip in thin-gauge materials

Usage

These self-tapping screws are meant for direct installation into pre-drilled or punched holes in sheet metal, resinous plywood, or similar substrates. The sharp tip and coarse thread design allow the screw to cut its own thread during installation, ensuring a tight and lasting hold with minimal preparation.

FAQ

1. What materials are these screws made of?

   • They are made of stainless steel A2, offering corrosion resistance for indoor and outdoor use.

2. What type of screwdriver is required for installation?

   • A Phillips or Pozidriv screwdriver bit is compatible with the cross recess head.

3. Are pilot holes needed before installation?

   • For optimal performance and to avoid material splitting, pre-drilled or punched pilot holes are recommended.

4. Can these screws be used outdoors?

   • Yes, the A2 stainless steel material provides good resistance to weather and moisture.

5. What standards do these screws meet?

   • They are manufactured according to DIN 7981C specifications for pan head, self-tapping sheet metal screws.

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