Simpson CSD25312 1/4" X 3-1/2" Countersunk Head Split-Drive Anchor - Zinc, Pkg 100 Smooth Shank - Common Nail With aggressive Hi-Lo threads and

With aggressive Hi-Lo threads and a Nail-Type tip

Available in multiple diameters

The Simpson ECCQ64SS-SDS2

high-performance design

Multiple Configurations: Available in a variety of diameters and lengths for many applications

Simpson CSD25312 1/4" X 3-1/2" Countersunk Head Split-Drive Anchor - Zinc, Pkg 100 Smooth Shank - Common Nail With aggressive Hi-Lo threads andThe 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