Structural Wood Screw
LedgerLOK: Deck Ledger Board Screws
Ledger Lok 5 copy
Ledger LOK 5 50pcbox copy

LedgerLOK is a code-compliant structural wood screw engineered to fasten a deck ledger board to the rim joist of a house with no predrilling.

No Pre-Drilling Required

Installs in a fraction of the time versus traditional bolts with fewer steps and less effort.

Built-in Washer with Hex Head

The built-in washer head eliminates the need for an additional washer, saving time and money. Plus, the large hex-head allows for greater bit engagement, reducing cam-out.

ACQ Approved & Code Compliant

Tested and supported by engineering data that conforms to the most current ICC standards. It is also approved for use in ACQ or treated lumber.

L Lok Hex Headw Shaft copy

LedgerLOK Structural Fastener

FastenMaster LedgerLOK vs. 1/2" Lag Screws

Technical Bulletins / Installation Guides

Product Detail Drawings

Evaluation Reports

Product Brochures

Part Numbers

 3 5/8"  Single FastenerFMLL358-INDY
12 pc clamshell  FMLL358-12
50 pc boxFMLL358-50
250 pc bucketFMLL358B-250
 5"  Single FastenerFMLL005-INDY
12 pc clamshell  FMLL005-12
50 pc boxFMLL005-50
250 pc bucketFMLL005B-250