The ThruLOK System combines the strength of a through-bolted connection with the speed of a FastenMaster LOK fastener.

NO PRE-DRILLING REQUIRED
Installs quickly with an 18 volt cordless drill without special drill bits or wrenches required.

CARRIAGE & THROUGH-BOLT REPLACEMENT
The 6 1/4" is engineered to connect 4x4 posts to 2x joists. 
The 7" is engineered to connect two 2x beams to a notched 6x6 post. 
The 8" is engineered to connect 4x4 posts to a double rim joist or single rim joist and 2x blocking. 
The 9 1/2" is engineered to attach a 6x6 post to two 2x beams.

MEETS CODE REQUIREMENTS
ThruLOK's galvanized coating meets code requirements for treated wood. 
It's both ACQ Approved and IBC/IRC code compliant.

ThruLOK Guard to Rim Installation Guide – Canada

ThruLOK - ESR-1078 Evaluation Report – General Properties

ThruLOK – TER 1308-11 Evaluation Report – Pole Barn Header

ThruLOK – THLK01 Beam to Notched Post Detail (PDF)