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Thru Lok / Screw Bolt Fastening System


Brand: FastenMaster

Calculated at checkout

Product Description

The ThruLOK system combines the speed of a LOK product with the strength of a through-bolted connection in three decking applications: Single 2x to 4x Decking Posts (6 1⁄4"), Notched 6x Carrying Beams (7") and Double 2x to Single 4x Decking Posts (8").

ThruLOK is a three-part assembly including a ThruLOK fastener featuring the patent-pending Paddle Point™, engineered washer, and LOK-Nut. Other features include:

  • No predrilling required
  • Installs with an 18 volt cordless drill
  • No drill bits or wrenches required
  • Galvanized coating meets IRC ACQ corrosion requirement
  • Lifetime performance guarantee

ThruLOK is a code-compliant way to attach deck posts and to secure carrying beams.

Product Videos

FastenMaster ThruLOK vs. Carriage Bolts 01:30

FastenMaster video comparing installing ThruLOK with carriage bolts.

  • FastenMaster T...
    ThruLOK is the newest addition to the FastenMaster LOK Line of...
  • FastenMaster T...
    FastenMaster video comparing installing ThruLOK with carriage ...