The Big Timber CTX #14 construction lag screws are heat-treated hardened steel for high tensile and high shear strength with triple layer ACQ compatible bronze coating.

The deep six-lobe star drive recess reduces cam-out end load while the built-in washer head offers increased pull through strength.

Use when fastening into wood roof decking.

• Need 5 screws for each Single Ply base plate.
• Need 4 screws for each No-Flash base plate.