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The dual lead thread reduces installation time while maximizing grip
the installation torque for 1/2"-dia
Ideal for residential
Specifically designed for stair stringer-to-framing connections
Simpson DSD25300 1/4" X 3" Duplex Head Split-Drive Anchor - Zinc, Pkg 100 DGF/DGBF/DGHF Fire Wall Hangers The dual lead thread reducesThe 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 Duplex head allows for easy deconstruction while providing ample support by attaching wood or light gauge steel to concrete and grout filled block surfaces. Installation: For Common Rafters:
US$ 7999.50
US$ 202.50