FastenMaster comparison video demonstrating time savings installing LedgerLOK vs. lag screws when installing deck ledger to rim joist

If a ledger board is installed with lag screws, but they are all in a straight line there is a risk of the board splitting. If that happens, it may not be able 

Installs in a fraction of the time versus traditional lag bolts with fewer steps and less effort. Flat Head with TORX ttap Drive The flat head installs flush to the ledger saving additional time and money. Plus, gain stronger bit engagement with the TORX ttap drive system. ACQ Approved & Code Compliant

Lag bolts require a few steps for use that include pre-drilling holes with multiple diameters. For example, when fastening a deck ledger, a lag bolt requires a 

PDF Hexagon Head Bolts Din 931 933 Central Engineering. ISO 4014 Bolts, ISO 4014 Hex Head Bolts and Hex Bolts Material DIN 603 Carriage Bolts; DIN 479-8.8 Square over M24 or nominal lengths over 10 d or 150 mm, whichever is the shorter. Page 4/5. Hex Bolts - Westfield Fasteners Ltd Tight-Spot Hex Head Screws A high -strength alternative to blind

To summarize, confirming that the deck ledger is correctly attached to the house floor band joist with bolts or lag screws is a critical first step. However, a 

Structural deck ledger screws (left) are easier to install than 1/2-in. diameter galvanized lag screws (above), because pre-drilled holes aren't required. But they must be installed following the manufacturer's specifications, rather than according to prescriptive guidelines in the IRC.

At connections carrying structural loads, such as deck ledgers or railing posts, use through-bolts or lag screws. Through-bolts are stronger and should be used where possible. For the heaviest connections on a deck, such as where ledgers attach to the house or to posts, use 1/2-inch bolts or lags. Place large washers under the heads of lags and

It is a code-approved deck ledger board fastener that replaces lag screws and through-bolts. Its triple-coating makes it corrosion resistant and perfect to 

Hex-head 1/2-inch hot-dipped galvanized bolts and 1/2-inch lag screws with standard cut washers (A) are the only two fastener options listed in the IRC for 

Structural lag screws, also known as lag bolts, are some of the strongest fasteners available. They are designed to connect heavy lumber and