SimpsonCD18400C 3/16" X 4" Countersunk Head Crimp Anchor - Zinc, Pkg 100 Quik Drive Metal-To-Metal Screws wings on the shaft counterbore

wings on the shaft counterbore hard material allowing the head to countersink cleanly

Strong-Tie Quik Drive CB3BLG cement board screws are designed to quickly and easily fasten dense fiber-cement boards to wood

Strong Hold: Great for both tension and shear loads in concrete or block

Clean the hole of debris to ensure full expansion

making them adaptable across a wide range of construction scenarios

SimpsonCD18400C 3/16" X 4" Countersunk Head Crimp Anchor - Zinc, Pkg 100 Quik Drive Metal-To-Metal Screws wings on the shaft counterboreThe Simpson Strong Tie Crimp Drive anchor is an easy to install expansion anchor for use in concrete and grout filled block. The pre formed curvature along the shaft creates an expansion mechanism that secures the anchor in place and eliminates the need for a secondary tightening procedure. This speeds up anchor installation and reduces the overall cost. The Countersunk head allows for a smooth surface when attaching wood or light gauge steel to