Fourtress (Two Way)

The newest tamper resistant security screw.

  • Unique tamper resistant drive
  • Only removed and inserted with special SFF Bit (which is registered)
  • 50mm Long Drive Bit fits directly into Drill Chuck
  • Hardened steel with high corrosion resistance – Magni 565
  • Resists drill/saw chisel attack.
  • Machine screws from stock: M8X40, M8X50, M8X80, M8X100, M10X80, M10X100.
  • Self threading screws: M8X35, M8X45

Other sizes are available to manufacture