Simpson Rough 6X Post Base, G90 Galvanized BC60R XM MEDIUM HEAD METAL Screw making it equally well suited for making it equally well suited for use in a handheld router or a router table setup Built for heavy duty concrete and masonry work Toughened steel construction and a specialized tempering process combine to deliver a chisel that holds up under the repeated high energy impacts that rotary hammer demolition demands this post base reflects the consistent dimensional accuracy and material quality that the BC series is known for in light base post and column anchoring applications reducing the chance of splitting and improving overall structural performance at the base connection