Simpson CSD25300 1/4" X 3" Countersunk Head Split-Drive Anchor - Zinc, Pkg 100 Slotted Hex Blue Concrete Screws Versatile Application: Intended for use

Versatile Application: Intended for use with 6x6 lumber with a slotted base for adjustable installation

building sturdy shelving

Whether you're building a heavy-duty workbench or putting up interior walls in a workshop or basement

Helps maintain structural integrity of load-bearing walls

The Strong-Drive TB is built for one job: fastening wood to steel without babysitting the connection

Simpson CSD25300 1/4" X 3" Countersunk Head Split-Drive Anchor - Zinc, Pkg 100 Slotted Hex Blue Concrete Screws Versatile Application: Intended for useThe Split Drive anchor is a one piece expansion anchor that can be installed in concrete, grout filled block and stone. As the anchor is driven in, the split type expansion mechanism on the working end compresses and exerts force against the walls of the hole. The Countersunk head allows for a smooth surface when attaching wood or light gauge steel to concrete and grout filled block surfaces. Installation: For Common Rafters: Drill a hole in base