Self drilling screws have a point that acts as a drill bit and sharp cutting threads that tap the hole during installation.

Specification:

  • 2.9 mm
     Thread Diameter - 2.9 mm
     Head Diameter - 5.5 mm
  • 3.5 mm 
     Thread Diameter - 3.5 mm
     Head Diameter - 6.8 mm
  • 3.9 mm
     Thread Diameter - 3.9 mm
     Head Diameter - 7.5 mm
  • 4.2 mm
     Thread Diameter - 4.2 mm
     Head Diameter - 8.1 mm
  • 4.8 mm
     Thread Diameter - 4.8 mm
     Head Diameter - 9.5 mm
  • 5.5 mm
     Thread Diameter - 5.5 mm
     Head Diameter - 10.8 mm
  • 6.3 mm
     Thread Diameter - 6.3 mm
     Head Diameter - 12.4 mm

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