Big Timber CTX #15 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 any Drift Series brackets into WOOD roof support structure (rafters/trusses).
- Need 4 screws per each Drift II or III bracket
- Need 5 screws per each Drift Solar bracket
For METAL roof support structure, customer to source own 1/2" x 3.5" lag bolts.
Additional Product Information:
Job Specific snow retention layouts are available from Rocky Mountain Snow Guards, Inc. These are provided at no charge. Snow Guard Depot recommends obtaining a job specific layout for all snow retention projects. Without a job specific layout, Snow Guard Depot cannot guarantee that snow guards purchased will perform effectively. Snow retention layouts and quotes can be obtained by completing Rocky Mountain Snow Guards' Free Layout & Quote Request Form here.