ThruLOK Screws Bolt Fastening System

Are you looking for a bolt fastening system that seamlessly delivers the fast results of a LOK fastener and the strength and durability of a through-bolted connection? ThruLOK by FastenMaster delivers the perfect solution. Use this highly advanced product for fast, reliable results in applications such as deck posts and carrying and multi-ply beams. It's an excellent choice for upgrading from carriage and through-bolts from 4.5 inches to 9.5 inches.

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Our Revolutionary Fastening System Has Much to Offer

When you choose ThruLOK for your fastening needs, you have access to a wide range of value-added features and benefits such as:

  • An innovative design. The ThruLOK screw bolt fastening system consists of an advanced three-part assembly — Paddle Point™, LOK-Nut and engineered washer — that ensures reliable, long-term performance.
  • No need for predrilling. You won't have to waste valuable time and resources drilling holes to accommodate the system.
  • A hex-head design. This hex-head bolt features a larger bearing surface, providing more clamping pressure than many other wood fastener types. 
  • Easy installation. You don't need wrenches or drill bits to install ThruLOK. You can do the job quickly and efficiently with an 18-volt cordless drill.
  • Rust resistance. We apply a galvanized coating that meets the stringent International Residential Code (IRC) Alkaline Copper Quaternary (ACQ) guidelines for pressure-treated lumber.
  • Code compliance. ThruLOK meets the existing International Code Council (ICC) standards for both guide rail post-to-rim and joist connections. 
  • Reliable results. Our fastening system comes with a lifetime performance guarantee for your protection and peace of mind.

Choose the Right Size for Your Applications

We offer the ThruLOK screw bolt fastening system for sale in a choice of #14 x 6.25-inch, #14 x 7-inch and #14 x 8-inch sizes to meet a wide range of user needs. They're available in packages of six or 24 pieces. 

We recognize that not everyone needs a large stockpile of fasteners. Our flexible ordering policy meets the requirements of big businesses, individual users and everyone between. You can order as many or few packages as you wish, and you're free to return unused quantities in "as new" condition for a full refund. 

Our low-cost, flat-rate shipping makes your fastener purchase even more affordable. Some orders also qualify for free shipping. Plus, with our advanced logistical expertise, we can process your order and have it to you quickly, enabling you to keep your projects on schedule. 

Reasons to Partner With FMW Fasteners

At FMW Fasteners, we've been providing reliable fastening solutions for business owners, contractors and consumers since 1986. We sell a wide variety of products, even those hard-to-find parts that many of our competitors don't carry, at budget-friendly prices. Our state-of-the-art, technology-driven processes make purchasing fasteners from us fast, easy and convenient. 

Explore Our Current Inventory

Look through our various ThruLOK screw bolt fastening system offerings and place your order online today. If you have questions or concerns or need additional information, give us a call at 713-688-6021.