#9 x 1-1/4" Quik Drive CB3BLGHL Cement Board Collated Screws, High-Low Thread, C-3 Galvanized, Pkg 1500 Merchney Greenhouses LLC Reinforces Intersecting Members: Strengthens wood-to-wood

Reinforces Intersecting Members: Strengthens wood-to-wood connections in a variety of structural applications

The Countersunk head allows for a smooth surface when attaching wood or light gauge steel to concrete and grout-filled block

Flexible design: Accommodates extreme roof angles and challenging installations

Precision Fit: Designed to accommodate standard lumber sizes while maintaining a snug

The Simpson ECCQ76SDS2

#9 x 1-1/4" Quik Drive CB3BLGHL Cement Board Collated Screws, High-Low Thread, C-3 Galvanized, Pkg 1500 Merchney Greenhouses LLC Reinforces Intersecting Members: Strengthens wood-to-woodStrong 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