#9 x 1-5/8" Quik Drive CB3BLGHL Cement Board Collated Screws, High-Low Thread, C-3 Galvanized, Pkg 1500 Plastic Strip Framing Nails Ideal for fastening steel panels

Ideal for fastening steel panels

reducing the risk of weakening load-bearing members

Square-drive recess - reduces cam-out and ensures secure driver engagement

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

load-distributing connection

#9 x 1-5/8" Quik Drive CB3BLGHL Cement Board Collated Screws, High-Low Thread, C-3 Galvanized, Pkg 1500 Plastic Strip Framing Nails Ideal for fastening steel panelsStrong 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