FastenMaster Fastening System

By Robert Robillard on Decks And Porches

FastenMaster Fastening SystemFastenMaster® ThruLok® Screw Bolt

FastenMaster®, a Massachusetts company, known for making contractor quality fasteners that are engineered to enable a professional or serious do-it-yourselfer to complete a project faster, easier and stronger has a super tough way to fasten framing material.

ThruLok Screw Bolt

It’s called the FastenMaster®  ThruLok Screw Bolt Fastening System and is a code compliant fastening system that replaces ½-inch carriage and through-bolts without pre-drilling.
The FastenMaster®  ThruLok Screw Bolt Fastening System is designed to make structural wood to wood fastening and is engineered to meet code all with lower install costs.  This fastener gives you the strength of a 1/2″ through bolt connector and will be a game changer in deck building and post to beam connections.

ThruLok is a three part assembly including a ThruLok fastener featuring the patent pending Paddle Point™, engineered washer, and LOK-Nut. The ThruLok fastener comes in specific lengths that allow contractors to replace their ½” carriage and through bolts in three primary deck applications:

  •  6 ¼” fastener – Single 2x to 4x Decking Posts
  • 7″ fastener – Notched 6x Carrying BeamsThruLok® Screw Bolt
  • 8″ fastener – Double 2x to Single 4x Decking Posts

Every box contains a technical bulletin, showing builders how to fasten the application in a code compliant manner. To install, simply drive the ThruLok fastener until it reaches ¼-in. before flush, reach around to threads protruding out the back and hand tighten the LOK-Nut, come back on the other side and finish your drive. The patent pending Paddle Point feature requires no pre-drilling and will tighten itself into the LOK-Nut providing a secure connection and saving time and labor in the process.

In addition, each ThruLok fastener comes assembled, in either a 6 or 24 pack complete with a magnetic 5/16″ driver bit and extra washers. All components are approved in pressure treated ACQ Lumber. FastenMaster ThruLoks are now available in Professional Lumberyards across the country.

Deck Safety – Repair Vs Replacement


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About the author

Robert Robillard

Carpenter / Remodeler / Editor

Rob Robillard is “The Concord Carpenter” Rob is a builder, general contractor, carpenter, woodworker, and editor of Concord Carpenter and ToolBoxBuzz As a General Contractor and carpenter, Rob owns and operates Concord Carpenter LLC. A full-service remodeling and construction company. Rob is a recognized leader in home building best practices and a source for how-to information for building professionals. On this website, Rob covers all aspects of home construction, building science, home improvement, woodworking, remodeling, and some of the best product and tool reviews. Rob is in charge of our Tool and Product Review series - Concord Carpenter Videos where we post all of our tool reviews and video tutorials. Rob approaches remodeling and building construction with a pragmatic and problem-solving approach. He enjoys using his knowledge and experience to help and educate building professionals as well as DIYers on best practices in the construction and remodeling industry. He's a strong advocate for "raising the bar" in the construction trades and promoting the trades to youth. #BeAMentor #Green2Great Craftsmanship, quality, and pride guide his journey on this channel The Concord Carpenter's motto: "Well done is better than well said!" : Read more about Rob

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