Tiger Claw

TC - 120 Grooved Board Hidden Fastener

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Tiger Claw TC-120 Hidden Deck Fastener for Grooved Boards


The clip has been specifically designed to install 3/4” x 4” or 6” decking that is pre-grooved or grooved with the TC-120 slot cutter.

Stainless Steel and ACQ Approved

TC-120 is made of 304 grade stainless steel and is approved for use in saltwater applications and ACQ or chemically treated lumber for long-term performance.


  • Includes #6 x 1 5/8" stainless steel screws
  • Spacer tabs on the clip automatically gap the decking 1/8th to 3/16ths for a consistent look
  • TC-120 reduces wood splitting, wood rot and board cupping.
  • Comes with a 25 year warranty.
  • Can be used with dasso XTR boards.
  • 304 stainless steel ensures a lasting connection between decking board and joist
  • The clip’s sharp prongs embed into the upper portion of the groove for strong holding power

Click HERE for Installation:

Click HERE for Warranty:

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