#9 x 1-5/8" Quik Drive CB3BLGHL Cement Board Collated Screws, High-Low Thread, C-3 Galvanized, Pkg 1500 Plastic Strip Framing Nails concealed support while maintaining the

concealed support while maintaining the natural beauty of your structure

PGTIC2Z-R to Rails – Use Simpson Strong-Tie Strong-Drive 1/4"x1-1/2" SDS wood screws (not supplied)

Need a different size

the split-type expansion mechanism on the working end compresses and exerts force against the walls of the hole

these screws offer the strength you need with the style you want

#9 x 1-5/8" Quik Drive CB3BLGHL Cement Board Collated Screws, High-Low Thread, C-3 Galvanized, Pkg 1500 Plastic Strip Framing Nails concealed support while maintaining theStrong 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