- No Predrilling
- Installs with an 18 volt cordless drill
- No drill bits or wrenches required
- Galvanized coating meets IRC ACQ corrosion requirement
- Lifetime performance guarantee
ThruLOK offers the speed of a LOK Line Product and the strength of
a through-bolted connection. ThruLOK is a three-part assembly including a ThruLOK fastener featuring the
patent-pending Paddle Point™, engineered washer, and LOK-Nut. Available in specific lengths that allow
contractors to replace their 1/2" carriage and through-bolts.
- 6 1/4" fastener – Single 2x to 4x Decking Posts
- 8" fastener – Double 2x to Single 4x Decking Posts
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6 pk.
6-1/4" - $18.99
8" - $21.99
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Installation Procedure:
Put the ThruLok-Washer on the ThruLok screw with the teeth of the washer facing away from the head of the
fastener. No predrilling required when properly installed. Using a ½" high torque variable speed
drill (18V if cordless), drive the ThruLok until the washer and hex head are just above the wood surface
(approx. ¼") and point of screw protrudes out other side of connection. Thread the ThruLok-Nut onto
point of fastener. Hand tighten nut until flush with wood. Tighten screw with drill. Repeat to match code-compliant
fastening pattern.
Screw Length |
Primary Application |
Wood Dimension Range |
| 6¼" |
4x4 Deck Post to Single Rim Joist |
4½" |
5¼" |
| 8" |
4x4 Deck Post to Double Rim Joist or Rim Joist and 2X Blocking |
6¼" |
7" |
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