#9 x 1-1/4" Quik Drive CB3BLGHL Cement Board Collated Screws, High-Low Thread, C-3 Galvanized, Pkg 1500 Zinc Large Diameter Concrete Screws Code Compliant: ICC-ES ESR-2713 approved

Code Compliant: ICC-ES ESR-2713 approved for performance you can count on

Simpson Strong-Tie Drop-In setting tools are the ideal solution for accurately and consistently installing Simpson Drop-In internally threaded anchors

The Strong-Tie HUC28-2Z concealed flange hanger features a G185 ZMAX galvanized finish for added corrosion resistance and requires the use of hot-dip galvanized fasteners which meet the specifications of ASTM A153

This will only fit a joist that measures an actual 4"x6"

#9 x 1-1/4" Quik Drive CB3BLGHL Cement Board Collated Screws, High-Low Thread, C-3 Galvanized, Pkg 1500 Zinc Large Diameter Concrete Screws Code Compliant: ICC-ES ESR-2713 approvedStrong Tie Quik Drive CB3BLG cement board screws are designed to quickly and easily fasten dense fiber cement boards to wood. Designed for use with these Quik Drive Attachments PROLDH