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Fab-Lok Fasteners

Fab-Lok fasteners are a High strength fastener for blind fastening to light gauge steel

High Clamp-Up, Resist Severe Vibration, Weather Tight

Perfect for blind hole fastening sheet metal or metal roofs 


  • Hex washer head machine screw assembled to a slotted aluminum sleeve and EPDM sealing washer
  • Fab-Lok line available in low carbon steel or H3 (300 series) stainless steel screws
  • Installs with power driver equipped with Fab-Lok® holding sleeve 


  • After tightening, clamping tines remain in place even if screw is removed
  • Greater joint integrity
  • Increased construction efficiency 


  • Metal panels to steel structurals on buildings where heavy internal movement occurs from operating machinery or excessive external movement occurs from high winds, jet engines, etc.
  • Metal panels to steel structurals on buildings subjected to high levels of expansion/contraction
  • Repairing separated metal panels
  • Blind-hole applications (e.g. attaching to insulated panels in cold storage applications)
  • Metal roof applications such as MBCI Metal Roof and Wall Systems
  • For all sheet metal fastening such as fastening low voltage wire to metal ductwork or signs to metal buildings 

NOTE: Product not intended for structurally-loaded joints. These fasteners are in stock and average 3-5 days for delivery. 
*Grip Range is total material thickness FAB-LOK will fasten