FOURTRESS™

THE NEWEST TAMPER RESISTANT SECURITY SCREW

• Unique tamper resistant drive .
• Only removed and inserted with special Security Fasteners and Fixings Ltd bit.
  (Which is registered)
• 50mm long drive bit fits directly into drill chuck.
• Hardened steel with high corrosion resistance.
• Resists drill/saw chisel attack.
• Machine screws from stock- M8X40, M8X50, M8X80, M8X100, M10X80, M10X100.
• Self threading screws-M8X35, M8X45.
• Other sizes available to manufacture.

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